Home / 2,542.67-3,507.85-1,547.15

Finding the Fourth Proportional to 2,542.67, 3,507.85 and 1,547.15

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Solution

The fourth proportional to 2,542.67, 3,507.85 and 1,547.15 is: 2,134.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,542.67 : 3,507.85 = 1,547.15 : x
  2. Step 2: Convert to fraction form
    2,542.67/3,507.85 = 1,547.15/x
  3. Step 3: Cross multiply
    2,542.67x = 3,507.85 × 1,547.15
  4. Step 4: Simplify right side
    2,542.67x = 5,427,170.13
  5. Step 5: Solve for x
    x = 5,427,170.13/2,542.67
  6. Step 6: Final answer
    x = 2,134.44

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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.