Home / 2,722.49-3,757.18-1,543.33

Finding the Fourth Proportional to 2,722.49, 3,757.18 and 1,543.33

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Solution

The fourth proportional to 2,722.49, 3,757.18 and 1,543.33 is: 2,129.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,722.49 : 3,757.18 = 1,543.33 : x
  2. Step 2: Convert to fraction form
    2,722.49/3,757.18 = 1,543.33/x
  3. Step 3: Cross multiply
    2,722.49x = 3,757.18 × 1,543.33
  4. Step 4: Simplify right side
    2,722.49x = 5,798,568.61
  5. Step 5: Solve for x
    x = 5,798,568.61/2,722.49
  6. Step 6: Final answer
    x = 2,129.88

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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.