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Finding the Fourth Proportional to 3,614.04, 5,430.18 and 3,468.24

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Solution

The fourth proportional to 3,614.04, 5,430.18 and 3,468.24 is: 5,211.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,614.04 : 5,430.18 = 3,468.24 : x
  2. Step 2: Convert to fraction form
    3,614.04/5,430.18 = 3,468.24/x
  3. Step 3: Cross multiply
    3,614.04x = 5,430.18 × 3,468.24
  4. Step 4: Simplify right side
    3,614.04x = 18,833,167.48
  5. Step 5: Solve for x
    x = 18,833,167.48/3,614.04
  6. Step 6: Final answer
    x = 5,211.11

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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.