Home / 3,010.74-4,517.19-1,279.50

Finding the Fourth Proportional to 3,010.74, 4,517.19 and 1,279.50

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Solution

The fourth proportional to 3,010.74, 4,517.19 and 1,279.50 is: 1,919.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,010.74 : 4,517.19 = 1,279.50 : x
  2. Step 2: Convert to fraction form
    3,010.74/4,517.19 = 1,279.50/x
  3. Step 3: Cross multiply
    3,010.74x = 4,517.19 × 1,279.50
  4. Step 4: Simplify right side
    3,010.74x = 5,779,744.61
  5. Step 5: Solve for x
    x = 5,779,744.61/3,010.74
  6. Step 6: Final answer
    x = 1,919.71

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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.