Home / 2,232.41-3,080.78-1,347.69

Finding the Fourth Proportional to 2,232.41, 3,080.78 and 1,347.69

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Solution

The fourth proportional to 2,232.41, 3,080.78 and 1,347.69 is: 1,859.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,232.41 : 3,080.78 = 1,347.69 : x
  2. Step 2: Convert to fraction form
    2,232.41/3,080.78 = 1,347.69/x
  3. Step 3: Cross multiply
    2,232.41x = 3,080.78 × 1,347.69
  4. Step 4: Simplify right side
    2,232.41x = 4,151,929.66
  5. Step 5: Solve for x
    x = 4,151,929.66/2,232.41
  6. Step 6: Final answer
    x = 1,859.85

Related Problems

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Half scale
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Double scale
Find fourth proportional to 2,233.41, 3,082.16 and 1,348.69
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.