Home / 2,523.15-3,787.29-2,181.87

Finding the Fourth Proportional to 2,523.15, 3,787.29 and 2,181.87

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Solution

The fourth proportional to 2,523.15, 3,787.29 and 2,181.87 is: 3,275.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,523.15 : 3,787.29 = 2,181.87 : x
  2. Step 2: Convert to fraction form
    2,523.15/3,787.29 = 2,181.87/x
  3. Step 3: Cross multiply
    2,523.15x = 3,787.29 × 2,181.87
  4. Step 4: Simplify right side
    2,523.15x = 8,263,374.43
  5. Step 5: Solve for x
    x = 8,263,374.43/2,523.15
  6. Step 6: Final answer
    x = 3,275.02

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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.