Home / 2,517.88-3,776.55-1,542.28

Finding the Fourth Proportional to 2,517.88, 3,776.55 and 1,542.28

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Solution

The fourth proportional to 2,517.88, 3,776.55 and 1,542.28 is: 2,313.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,517.88 : 3,776.55 = 1,542.28 : x
  2. Step 2: Convert to fraction form
    2,517.88/3,776.55 = 1,542.28/x
  3. Step 3: Cross multiply
    2,517.88x = 3,776.55 × 1,542.28
  4. Step 4: Simplify right side
    2,517.88x = 5,824,497.53
  5. Step 5: Solve for x
    x = 5,824,497.53/2,517.88
  6. Step 6: Final answer
    x = 2,313.25

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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.