Home / 3,154.70-4,351.56-2,092.52

Finding the Fourth Proportional to 3,154.70, 4,351.56 and 2,092.52

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Solution

The fourth proportional to 3,154.70, 4,351.56 and 2,092.52 is: 2,886.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,154.70 : 4,351.56 = 2,092.52 : x
  2. Step 2: Convert to fraction form
    3,154.70/4,351.56 = 2,092.52/x
  3. Step 3: Cross multiply
    3,154.70x = 4,351.56 × 2,092.52
  4. Step 4: Simplify right side
    3,154.70x = 9,105,726.33
  5. Step 5: Solve for x
    x = 9,105,726.33/3,154.70
  6. Step 6: Final answer
    x = 2,886.40

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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.