Home / 2,722.60-3,757.24-1,543.72

Finding the Fourth Proportional to 2,722.60, 3,757.24 and 1,543.72

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Solution

The fourth proportional to 2,722.60, 3,757.24 and 1,543.72 is: 2,130.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,722.60 : 3,757.24 = 1,543.72 : x
  2. Step 2: Convert to fraction form
    2,722.60/3,757.24 = 1,543.72/x
  3. Step 3: Cross multiply
    2,722.60x = 3,757.24 × 1,543.72
  4. Step 4: Simplify right side
    2,722.60x = 5,800,126.53
  5. Step 5: Solve for x
    x = 5,800,126.53/2,722.60
  6. Step 6: Final answer
    x = 2,130.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.