Home / 3,677.32-5,517.78-1,487.62

Finding the Fourth Proportional to 3,677.32, 5,517.78 and 1,487.62

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Solution

The fourth proportional to 3,677.32, 5,517.78 and 1,487.62 is: 2,232.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,677.32 : 5,517.78 = 1,487.62 : x
  2. Step 2: Convert to fraction form
    3,677.32/5,517.78 = 1,487.62/x
  3. Step 3: Cross multiply
    3,677.32x = 5,517.78 × 1,487.62
  4. Step 4: Simplify right side
    3,677.32x = 8,208,359.88
  5. Step 5: Solve for x
    x = 8,208,359.88/3,677.32
  6. Step 6: Final answer
    x = 2,232.16

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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.