Home / 2,821.31-4,232.25-1,176.93

Finding the Fourth Proportional to 2,821.31, 4,232.25 and 1,176.93

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Solution

The fourth proportional to 2,821.31, 4,232.25 and 1,176.93 is: 1,765.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,821.31 : 4,232.25 = 1,176.93 : x
  2. Step 2: Convert to fraction form
    2,821.31/4,232.25 = 1,176.93/x
  3. Step 3: Cross multiply
    2,821.31x = 4,232.25 × 1,176.93
  4. Step 4: Simplify right side
    2,821.31x = 4,981,061.99
  5. Step 5: Solve for x
    x = 4,981,061.99/2,821.31
  6. Step 6: Final answer
    x = 1,765.52

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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.