Home / 2,412.85-3,329.79-1,350.61

Finding the Fourth Proportional to 2,412.85, 3,329.79 and 1,350.61

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Solution

The fourth proportional to 2,412.85, 3,329.79 and 1,350.61 is: 1,863.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,412.85 : 3,329.79 = 1,350.61 : x
  2. Step 2: Convert to fraction form
    2,412.85/3,329.79 = 1,350.61/x
  3. Step 3: Cross multiply
    2,412.85x = 3,329.79 × 1,350.61
  4. Step 4: Simplify right side
    2,412.85x = 4,497,244.18
  5. Step 5: Solve for x
    x = 4,497,244.18/2,412.85
  6. Step 6: Final answer
    x = 1,863.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.