Home / 3,562.20-5,343.20-1,614.40

Finding the Fourth Proportional to 3,562.20, 5,343.20 and 1,614.40

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Solution

The fourth proportional to 3,562.20, 5,343.20 and 1,614.40 is: 2,421.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,562.20 : 5,343.20 = 1,614.40 : x
  2. Step 2: Convert to fraction form
    3,562.20/5,343.20 = 1,614.40/x
  3. Step 3: Cross multiply
    3,562.20x = 5,343.20 × 1,614.40
  4. Step 4: Simplify right side
    3,562.20x = 8,626,062.08
  5. Step 5: Solve for x
    x = 8,626,062.08/3,562.20
  6. Step 6: Final answer
    x = 2,421.55

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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.