Home / 3,627.24-4,998.12-2,787.90

Finding the Fourth Proportional to 3,627.24, 4,998.12 and 2,787.90

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Solution

The fourth proportional to 3,627.24, 4,998.12 and 2,787.90 is: 3,841.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,627.24 : 4,998.12 = 2,787.90 : x
  2. Step 2: Convert to fraction form
    3,627.24/4,998.12 = 2,787.90/x
  3. Step 3: Cross multiply
    3,627.24x = 4,998.12 × 2,787.90
  4. Step 4: Simplify right side
    3,627.24x = 13,934,258.75
  5. Step 5: Solve for x
    x = 13,934,258.75/3,627.24
  6. Step 6: Final answer
    x = 3,841.56

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1.5x scale

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.