Home / 2,631.42-3,947.12-2,500.03

Finding the Fourth Proportional to 2,631.42, 3,947.12 and 2,500.03

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Solution

The fourth proportional to 2,631.42, 3,947.12 and 2,500.03 is: 3,750.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,631.42 : 3,947.12 = 2,500.03 : x
  2. Step 2: Convert to fraction form
    2,631.42/3,947.12 = 2,500.03/x
  3. Step 3: Cross multiply
    2,631.42x = 3,947.12 × 2,500.03
  4. Step 4: Simplify right side
    2,631.42x = 9,867,920.22
  5. Step 5: Solve for x
    x = 9,867,920.22/2,631.42
  6. Step 6: Final answer
    x = 3,750.04

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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.