Home / 2,472.20-3,708.90-1,743.20

Finding the Fourth Proportional to 2,472.20, 3,708.90 and 1,743.20

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Solution

The fourth proportional to 2,472.20, 3,708.90 and 1,743.20 is: 2,615.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,472.20 : 3,708.90 = 1,743.20 : x
  2. Step 2: Convert to fraction form
    2,472.20/3,708.90 = 1,743.20/x
  3. Step 3: Cross multiply
    2,472.20x = 3,708.90 × 1,743.20
  4. Step 4: Simplify right side
    2,472.20x = 6,465,354.48
  5. Step 5: Solve for x
    x = 6,465,354.48/2,472.20
  6. Step 6: Final answer
    x = 2,615.22

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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.