Home / 2,459.38-3,687.12-1,226.11

Finding the Fourth Proportional to 2,459.38, 3,687.12 and 1,226.11

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Solution

The fourth proportional to 2,459.38, 3,687.12 and 1,226.11 is: 1,838.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,459.38 : 3,687.12 = 1,226.11 : x
  2. Step 2: Convert to fraction form
    2,459.38/3,687.12 = 1,226.11/x
  3. Step 3: Cross multiply
    2,459.38x = 3,687.12 × 1,226.11
  4. Step 4: Simplify right side
    2,459.38x = 4,520,814.70
  5. Step 5: Solve for x
    x = 4,520,814.70/2,459.38
  6. Step 6: Final answer
    x = 1,838.19

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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.