Home / 3,376.26-5,063.16-1,428.61

Finding the Fourth Proportional to 3,376.26, 5,063.16 and 1,428.61

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Solution

The fourth proportional to 3,376.26, 5,063.16 and 1,428.61 is: 2,142.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,376.26 : 5,063.16 = 1,428.61 : x
  2. Step 2: Convert to fraction form
    3,376.26/5,063.16 = 1,428.61/x
  3. Step 3: Cross multiply
    3,376.26x = 5,063.16 × 1,428.61
  4. Step 4: Simplify right side
    3,376.26x = 7,233,281.01
  5. Step 5: Solve for x
    x = 7,233,281.01/3,376.26
  6. Step 6: Final answer
    x = 2,142.39

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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.