Home / 1,456.06-2,183.87-531.50

Finding the Fourth Proportional to 1,456.06, 2,183.87 and 531.50

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Solution

The fourth proportional to 1,456.06, 2,183.87 and 531.50 is: 797.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,456.06 : 2,183.87 = 531.50 : x
  2. Step 2: Convert to fraction form
    1,456.06/2,183.87 = 531.50/x
  3. Step 3: Cross multiply
    1,456.06x = 2,183.87 × 531.50
  4. Step 4: Simplify right side
    1,456.06x = 1,160,726.91
  5. Step 5: Solve for x
    x = 1,160,726.91/1,456.06
  6. Step 6: Final answer
    x = 797.17

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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.