Home / 2,278.27-3,414.10-1,237.39

Finding the Fourth Proportional to 2,278.27, 3,414.10 and 1,237.39

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Solution

The fourth proportional to 2,278.27, 3,414.10 and 1,237.39 is: 1,854.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,278.27 : 3,414.10 = 1,237.39 : x
  2. Step 2: Convert to fraction form
    2,278.27/3,414.10 = 1,237.39/x
  3. Step 3: Cross multiply
    2,278.27x = 3,414.10 × 1,237.39
  4. Step 4: Simplify right side
    2,278.27x = 4,224,573.20
  5. Step 5: Solve for x
    x = 4,224,573.20/2,278.27
  6. Step 6: Final answer
    x = 1,854.29

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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.