Home / 2,551.70-3,521.35-1,432.66

Finding the Fourth Proportional to 2,551.70, 3,521.35 and 1,432.66

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Solution

The fourth proportional to 2,551.70, 3,521.35 and 1,432.66 is: 1,977.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,551.70 : 3,521.35 = 1,432.66 : x
  2. Step 2: Convert to fraction form
    2,551.70/3,521.35 = 1,432.66/x
  3. Step 3: Cross multiply
    2,551.70x = 3,521.35 × 1,432.66
  4. Step 4: Simplify right side
    2,551.70x = 5,044,897.29
  5. Step 5: Solve for x
    x = 5,044,897.29/2,551.70
  6. Step 6: Final answer
    x = 1,977.07

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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.