Home / 3,377.70-5,064.03-1,428.66

Finding the Fourth Proportional to 3,377.70, 5,064.03 and 1,428.66

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Solution

The fourth proportional to 3,377.70, 5,064.03 and 1,428.66 is: 2,141.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,377.70 : 5,064.03 = 1,428.66 : x
  2. Step 2: Convert to fraction form
    3,377.70/5,064.03 = 1,428.66/x
  3. Step 3: Cross multiply
    3,377.70x = 5,064.03 × 1,428.66
  4. Step 4: Simplify right side
    3,377.70x = 7,234,777.10
  5. Step 5: Solve for x
    x = 7,234,777.10/3,377.70
  6. Step 6: Final answer
    x = 2,141.92

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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.