Home / 2,551.97-3,521.64-1,432.88

Finding the Fourth Proportional to 2,551.97, 3,521.64 and 1,432.88

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Solution

The fourth proportional to 2,551.97, 3,521.64 and 1,432.88 is: 1,977.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,551.97 : 3,521.64 = 1,432.88 : x
  2. Step 2: Convert to fraction form
    2,551.97/3,521.64 = 1,432.88/x
  3. Step 3: Cross multiply
    2,551.97x = 3,521.64 × 1,432.88
  4. Step 4: Simplify right side
    2,551.97x = 5,046,087.52
  5. Step 5: Solve for x
    x = 5,046,087.52/2,551.97
  6. Step 6: Final answer
    x = 1,977.33

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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.