Home / 2,787.24-4,177.98-1,400.04

Finding the Fourth Proportional to 2,787.24, 4,177.98 and 1,400.04

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Solution

The fourth proportional to 2,787.24, 4,177.98 and 1,400.04 is: 2,098.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,787.24 : 4,177.98 = 1,400.04 : x
  2. Step 2: Convert to fraction form
    2,787.24/4,177.98 = 1,400.04/x
  3. Step 3: Cross multiply
    2,787.24x = 4,177.98 × 1,400.04
  4. Step 4: Simplify right side
    2,787.24x = 5,849,339.12
  5. Step 5: Solve for x
    x = 5,849,339.12/2,787.24
  6. Step 6: Final answer
    x = 2,098.61

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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.