Home / 2,537.87-3,502.32-1,418.78

Finding the Fourth Proportional to 2,537.87, 3,502.32 and 1,418.78

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Solution

The fourth proportional to 2,537.87, 3,502.32 and 1,418.78 is: 1,957.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,537.87 : 3,502.32 = 1,418.78 : x
  2. Step 2: Convert to fraction form
    2,537.87/3,502.32 = 1,418.78/x
  3. Step 3: Cross multiply
    2,537.87x = 3,502.32 × 1,418.78
  4. Step 4: Simplify right side
    2,537.87x = 4,969,021.57
  5. Step 5: Solve for x
    x = 4,969,021.57/2,537.87
  6. Step 6: Final answer
    x = 1,957.95

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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.