Home / 3,376.17-5,064.80-1,428.39

Finding the Fourth Proportional to 3,376.17, 5,064.80 and 1,428.39

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Solution

The fourth proportional to 3,376.17, 5,064.80 and 1,428.39 is: 2,142.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,376.17 : 5,064.80 = 1,428.39 : x
  2. Step 2: Convert to fraction form
    3,376.17/5,064.80 = 1,428.39/x
  3. Step 3: Cross multiply
    3,376.17x = 5,064.80 × 1,428.39
  4. Step 4: Simplify right side
    3,376.17x = 7,234,522.33
  5. Step 5: Solve for x
    x = 7,234,522.33/3,376.17
  6. Step 6: Final answer
    x = 2,142.82

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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.