Home / 2,524.66-3,787.84-1,291.74

Finding the Fourth Proportional to 2,524.66, 3,787.84 and 1,291.74

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Solution

The fourth proportional to 2,524.66, 3,787.84 and 1,291.74 is: 1,938.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,524.66 : 3,787.84 = 1,291.74 : x
  2. Step 2: Convert to fraction form
    2,524.66/3,787.84 = 1,291.74/x
  3. Step 3: Cross multiply
    2,524.66x = 3,787.84 × 1,291.74
  4. Step 4: Simplify right side
    2,524.66x = 4,892,904.44
  5. Step 5: Solve for x
    x = 4,892,904.44/2,524.66
  6. Step 6: Final answer
    x = 1,938.04

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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.