Home / 3,462.55-5,191.72-1,382.87

Finding the Fourth Proportional to 3,462.55, 5,191.72 and 1,382.87

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Solution

The fourth proportional to 3,462.55, 5,191.72 and 1,382.87 is: 2,073.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,462.55 : 5,191.72 = 1,382.87 : x
  2. Step 2: Convert to fraction form
    3,462.55/5,191.72 = 1,382.87/x
  3. Step 3: Cross multiply
    3,462.55x = 5,191.72 × 1,382.87
  4. Step 4: Simplify right side
    3,462.55x = 7,179,473.84
  5. Step 5: Solve for x
    x = 7,179,473.84/3,462.55
  6. Step 6: Final answer
    x = 2,073.46

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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.