Home / 3,231.36-4,460.76-2,648.16

Finding the Fourth Proportional to 3,231.36, 4,460.76 and 2,648.16

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Solution

The fourth proportional to 3,231.36, 4,460.76 and 2,648.16 is: 3,655.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,231.36 : 4,460.76 = 2,648.16 : x
  2. Step 2: Convert to fraction form
    3,231.36/4,460.76 = 2,648.16/x
  3. Step 3: Cross multiply
    3,231.36x = 4,460.76 × 2,648.16
  4. Step 4: Simplify right side
    3,231.36x = 11,812,806.20
  5. Step 5: Solve for x
    x = 11,812,806.20/3,231.36
  6. Step 6: Final answer
    x = 3,655.68

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Find fourth proportional to 1,615.68, 2,230.38 and 1,324.08
Half scale
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Double scale
Find fourth proportional to 3,232.36, 4,462.14 and 2,649.16
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.