Home / 2,787.22-4,184.94-1,557.04

Finding the Fourth Proportional to 2,787.22, 4,184.94 and 1,557.04

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Solution

The fourth proportional to 2,787.22, 4,184.94 and 1,557.04 is: 2,337.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,787.22 : 4,184.94 = 1,557.04 : x
  2. Step 2: Convert to fraction form
    2,787.22/4,184.94 = 1,557.04/x
  3. Step 3: Cross multiply
    2,787.22x = 4,184.94 × 1,557.04
  4. Step 4: Simplify right side
    2,787.22x = 6,516,118.98
  5. Step 5: Solve for x
    x = 6,516,118.98/2,787.22
  6. Step 6: Final answer
    x = 2,337.86

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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.