Home / 2,722.47-3,757.29-1,543.62

Finding the Fourth Proportional to 2,722.47, 3,757.29 and 1,543.62

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Solution

The fourth proportional to 2,722.47, 3,757.29 and 1,543.62 is: 2,130.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,722.47 : 3,757.29 = 1,543.62 : x
  2. Step 2: Convert to fraction form
    2,722.47/3,757.29 = 1,543.62/x
  3. Step 3: Cross multiply
    2,722.47x = 3,757.29 × 1,543.62
  4. Step 4: Simplify right side
    2,722.47x = 5,799,827.99
  5. Step 5: Solve for x
    x = 5,799,827.99/2,722.47
  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.