Home / 3,740.05-5,164.32-2,547.55

Finding the Fourth Proportional to 3,740.05, 5,164.32 and 2,547.55

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Solution

The fourth proportional to 3,740.05, 5,164.32 and 2,547.55 is: 3,517.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,740.05 : 5,164.32 = 2,547.55 : x
  2. Step 2: Convert to fraction form
    3,740.05/5,164.32 = 2,547.55/x
  3. Step 3: Cross multiply
    3,740.05x = 5,164.32 × 2,547.55
  4. Step 4: Simplify right side
    3,740.05x = 13,156,363.42
  5. Step 5: Solve for x
    x = 13,156,363.42/3,740.05
  6. Step 6: Final answer
    x = 3,517.70

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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.