Home / 1,456.13-2,184.39-481.97

Finding the Fourth Proportional to 1,456.13, 2,184.39 and 481.97

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Solution

The fourth proportional to 1,456.13, 2,184.39 and 481.97 is: 723.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,456.13 : 2,184.39 = 481.97 : x
  2. Step 2: Convert to fraction form
    1,456.13/2,184.39 = 481.97/x
  3. Step 3: Cross multiply
    1,456.13x = 2,184.39 × 481.97
  4. Step 4: Simplify right side
    1,456.13x = 1,052,799.53
  5. Step 5: Solve for x
    x = 1,052,799.53/1,456.13
  6. Step 6: Final answer
    x = 723.01

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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.