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Finding the Fourth Proportional to 3,487.04, 5,224.98 and 3,132.98

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Solution

The fourth proportional to 3,487.04, 5,224.98 and 3,132.98 is: 4,694.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,487.04 : 5,224.98 = 3,132.98 : x
  2. Step 2: Convert to fraction form
    3,487.04/5,224.98 = 3,132.98/x
  3. Step 3: Cross multiply
    3,487.04x = 5,224.98 × 3,132.98
  4. Step 4: Simplify right side
    3,487.04x = 16,369,757.84
  5. Step 5: Solve for x
    x = 16,369,757.84/3,487.04
  6. Step 6: Final answer
    x = 4,694.46

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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.