Home / 3,407.74-5,111.68-2,245.16

Finding the Fourth Proportional to 3,407.74, 5,111.68 and 2,245.16

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Solution

The fourth proportional to 3,407.74, 5,111.68 and 2,245.16 is: 3,367.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,407.74 : 5,111.68 = 2,245.16 : x
  2. Step 2: Convert to fraction form
    3,407.74/5,111.68 = 2,245.16/x
  3. Step 3: Cross multiply
    3,407.74x = 5,111.68 × 2,245.16
  4. Step 4: Simplify right side
    3,407.74x = 11,476,539.47
  5. Step 5: Solve for x
    x = 11,476,539.47/3,407.74
  6. Step 6: Final answer
    x = 3,367.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.