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Finding the Fourth Proportional to 3,562.68, 5,343.36 and 1,614.42

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Solution

The fourth proportional to 3,562.68, 5,343.36 and 1,614.42 is: 2,421.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,562.68 : 5,343.36 = 1,614.42 : x
  2. Step 2: Convert to fraction form
    3,562.68/5,343.36 = 1,614.42/x
  3. Step 3: Cross multiply
    3,562.68x = 5,343.36 × 1,614.42
  4. Step 4: Simplify right side
    3,562.68x = 8,626,427.25
  5. Step 5: Solve for x
    x = 8,626,427.25/3,562.68
  6. Step 6: Final answer
    x = 2,421.33

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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.