Home / 2,167.62-3,250.26-1,125.05

Finding the Fourth Proportional to 2,167.62, 3,250.26 and 1,125.05

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Solution

The fourth proportional to 2,167.62, 3,250.26 and 1,125.05 is: 1,686.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,167.62 : 3,250.26 = 1,125.05 : x
  2. Step 2: Convert to fraction form
    2,167.62/3,250.26 = 1,125.05/x
  3. Step 3: Cross multiply
    2,167.62x = 3,250.26 × 1,125.05
  4. Step 4: Simplify right side
    2,167.62x = 3,656,688.76
  5. Step 5: Solve for x
    x = 3,656,688.76/2,167.62
  6. Step 6: Final answer
    x = 1,686.96

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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.