Home / 2,961.25-4,442.92-1,317.65

Finding the Fourth Proportional to 2,961.25, 4,442.92 and 1,317.65

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Solution

The fourth proportional to 2,961.25, 4,442.92 and 1,317.65 is: 1,976.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,961.25 : 4,442.92 = 1,317.65 : x
  2. Step 2: Convert to fraction form
    2,961.25/4,442.92 = 1,317.65/x
  3. Step 3: Cross multiply
    2,961.25x = 4,442.92 × 1,317.65
  4. Step 4: Simplify right side
    2,961.25x = 5,854,188.03
  5. Step 5: Solve for x
    x = 5,854,188.03/2,961.25
  6. Step 6: Final answer
    x = 1,976.93

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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.