Home / 2,487.10-3,731.07-1,025.45

Finding the Fourth Proportional to 2,487.10, 3,731.07 and 1,025.45

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Solution

The fourth proportional to 2,487.10, 3,731.07 and 1,025.45 is: 1,538.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,487.10 : 3,731.07 = 1,025.45 : x
  2. Step 2: Convert to fraction form
    2,487.10/3,731.07 = 1,025.45/x
  3. Step 3: Cross multiply
    2,487.10x = 3,731.07 × 1,025.45
  4. Step 4: Simplify right side
    2,487.10x = 3,826,025.73
  5. Step 5: Solve for x
    x = 3,826,025.73/2,487.10
  6. Step 6: Final answer
    x = 1,538.35

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.