Home / 3,874.11-5,343.56-2,547.39

Finding the Fourth Proportional to 3,874.11, 5,343.56 and 2,547.39

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Solution

The fourth proportional to 3,874.11, 5,343.56 and 2,547.39 is: 3,513.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,874.11 : 5,343.56 = 2,547.39 : x
  2. Step 2: Convert to fraction form
    3,874.11/5,343.56 = 2,547.39/x
  3. Step 3: Cross multiply
    3,874.11x = 5,343.56 × 2,547.39
  4. Step 4: Simplify right side
    3,874.11x = 13,612,104.59
  5. Step 5: Solve for x
    x = 13,612,104.59/3,874.11
  6. Step 6: Final answer
    x = 3,513.61

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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.