Home / 2,722.91-3,757.35-1,543.91

Finding the Fourth Proportional to 2,722.91, 3,757.35 and 1,543.91

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Solution

The fourth proportional to 2,722.91, 3,757.35 and 1,543.91 is: 2,130.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,722.91 : 3,757.35 = 1,543.91 : x
  2. Step 2: Convert to fraction form
    2,722.91/3,757.35 = 1,543.91/x
  3. Step 3: Cross multiply
    2,722.91x = 3,757.35 × 1,543.91
  4. Step 4: Simplify right side
    2,722.91x = 5,801,010.24
  5. Step 5: Solve for x
    x = 5,801,010.24/2,722.91
  6. Step 6: Final answer
    x = 2,130.45

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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.