Home / 3,459.82-5,191.24-1,815.96

Finding the Fourth Proportional to 3,459.82, 5,191.24 and 1,815.96

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Solution

The fourth proportional to 3,459.82, 5,191.24 and 1,815.96 is: 2,724.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,459.82 : 5,191.24 = 1,815.96 : x
  2. Step 2: Convert to fraction form
    3,459.82/5,191.24 = 1,815.96/x
  3. Step 3: Cross multiply
    3,459.82x = 5,191.24 × 1,815.96
  4. Step 4: Simplify right side
    3,459.82x = 9,427,084.19
  5. Step 5: Solve for x
    x = 9,427,084.19/3,459.82
  6. Step 6: Final answer
    x = 2,724.73

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1.5x scale

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.