Home / 3,001.85-4,502.47-921.87

Finding the Fourth Proportional to 3,001.85, 4,502.47 and 921.87

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Solution

The fourth proportional to 3,001.85, 4,502.47 and 921.87 is: 1,382.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,001.85 : 4,502.47 = 921.87 : x
  2. Step 2: Convert to fraction form
    3,001.85/4,502.47 = 921.87/x
  3. Step 3: Cross multiply
    3,001.85x = 4,502.47 × 921.87
  4. Step 4: Simplify right side
    3,001.85x = 4,150,692.02
  5. Step 5: Solve for x
    x = 4,150,692.02/3,001.85
  6. Step 6: Final answer
    x = 1,382.71

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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.