Home / 2,475.20-3,713.85-1,087.85

Finding the Fourth Proportional to 2,475.20, 3,713.85 and 1,087.85

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Solution

The fourth proportional to 2,475.20, 3,713.85 and 1,087.85 is: 1,632.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,475.20 : 3,713.85 = 1,087.85 : x
  2. Step 2: Convert to fraction form
    2,475.20/3,713.85 = 1,087.85/x
  3. Step 3: Cross multiply
    2,475.20x = 3,713.85 × 1,087.85
  4. Step 4: Simplify right side
    2,475.20x = 4,040,093.15
  5. Step 5: Solve for x
    x = 4,040,093.15/2,475.20
  6. Step 6: Final answer
    x = 1,632.23

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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.