Home / 2,278.52-3,143.42-1,492.28

Finding the Fourth Proportional to 2,278.52, 3,143.42 and 1,492.28

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Solution

The fourth proportional to 2,278.52, 3,143.42 and 1,492.28 is: 2,058.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,278.52 : 3,143.42 = 1,492.28 : x
  2. Step 2: Convert to fraction form
    2,278.52/3,143.42 = 1,492.28/x
  3. Step 3: Cross multiply
    2,278.52x = 3,143.42 × 1,492.28
  4. Step 4: Simplify right side
    2,278.52x = 4,690,862.80
  5. Step 5: Solve for x
    x = 4,690,862.80/2,278.52
  6. Step 6: Final answer
    x = 2,058.73

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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.