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Finding the Fourth Proportional to 3,758.80, 5,632.04 and 3,614.78

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Solution

The fourth proportional to 3,758.80, 5,632.04 and 3,614.78 is: 5,416.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,758.80 : 5,632.04 = 3,614.78 : x
  2. Step 2: Convert to fraction form
    3,758.80/5,632.04 = 3,614.78/x
  3. Step 3: Cross multiply
    3,758.80x = 5,632.04 × 3,614.78
  4. Step 4: Simplify right side
    3,758.80x = 20,358,585.55
  5. Step 5: Solve for x
    x = 20,358,585.55/3,758.80
  6. Step 6: Final answer
    x = 5,416.25

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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.