Home / 2,155.33-3,229.93-1,060.47

Finding the Fourth Proportional to 2,155.33, 3,229.93 and 1,060.47

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Solution

The fourth proportional to 2,155.33, 3,229.93 and 1,060.47 is: 1,589.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,155.33 : 3,229.93 = 1,060.47 : x
  2. Step 2: Convert to fraction form
    2,155.33/3,229.93 = 1,060.47/x
  3. Step 3: Cross multiply
    2,155.33x = 3,229.93 × 1,060.47
  4. Step 4: Simplify right side
    2,155.33x = 3,425,230.14
  5. Step 5: Solve for x
    x = 3,425,230.14/2,155.33
  6. Step 6: Final answer
    x = 1,589.19

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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.