Home / 1,500.19-2,249.87-769.97

Finding the Fourth Proportional to 1,500.19, 2,249.87 and 769.97

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Solution

The fourth proportional to 1,500.19, 2,249.87 and 769.97 is: 1,154.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,500.19 : 2,249.87 = 769.97 : x
  2. Step 2: Convert to fraction form
    1,500.19/2,249.87 = 769.97/x
  3. Step 3: Cross multiply
    1,500.19x = 2,249.87 × 769.97
  4. Step 4: Simplify right side
    1,500.19x = 1,732,334.18
  5. Step 5: Solve for x
    x = 1,732,334.18/1,500.19
  6. Step 6: Final answer
    x = 1,154.75

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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.