Home / 2,251.34-3,377.02-789.70

Finding the Fourth Proportional to 2,251.34, 3,377.02 and 789.70

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Solution

The fourth proportional to 2,251.34, 3,377.02 and 789.70 is: 1,184.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,251.34 : 3,377.02 = 789.70 : x
  2. Step 2: Convert to fraction form
    2,251.34/3,377.02 = 789.70/x
  3. Step 3: Cross multiply
    2,251.34x = 3,377.02 × 789.70
  4. Step 4: Simplify right side
    2,251.34x = 2,666,832.69
  5. Step 5: Solve for x
    x = 2,666,832.69/2,251.34
  6. Step 6: Final answer
    x = 1,184.55

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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.