Home / 2,487.87-3,731.82-1,027.08

Finding the Fourth Proportional to 2,487.87, 3,731.82 and 1,027.08

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Solution

The fourth proportional to 2,487.87, 3,731.82 and 1,027.08 is: 1,540.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,487.87 : 3,731.82 = 1,027.08 : x
  2. Step 2: Convert to fraction form
    2,487.87/3,731.82 = 1,027.08/x
  3. Step 3: Cross multiply
    2,487.87x = 3,731.82 × 1,027.08
  4. Step 4: Simplify right side
    2,487.87x = 3,832,877.69
  5. Step 5: Solve for x
    x = 3,832,877.69/2,487.87
  6. Step 6: Final answer
    x = 1,540.63

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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.