Home / 1,456.18-2,182.92-482.07

Finding the Fourth Proportional to 1,456.18, 2,182.92 and 482.07

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Solution

The fourth proportional to 1,456.18, 2,182.92 and 482.07 is: 722.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,456.18 : 2,182.92 = 482.07 : x
  2. Step 2: Convert to fraction form
    1,456.18/2,182.92 = 482.07/x
  3. Step 3: Cross multiply
    1,456.18x = 2,182.92 × 482.07
  4. Step 4: Simplify right side
    1,456.18x = 1,052,320.24
  5. Step 5: Solve for x
    x = 1,052,320.24/1,456.18
  6. Step 6: Final answer
    x = 722.66

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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.