Home / 3,279.44-4,916.28-1,228.88

Finding the Fourth Proportional to 3,279.44, 4,916.28 and 1,228.88

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Solution

The fourth proportional to 3,279.44, 4,916.28 and 1,228.88 is: 1,842.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,279.44 : 4,916.28 = 1,228.88 : x
  2. Step 2: Convert to fraction form
    3,279.44/4,916.28 = 1,228.88/x
  3. Step 3: Cross multiply
    3,279.44x = 4,916.28 × 1,228.88
  4. Step 4: Simplify right side
    3,279.44x = 6,041,518.17
  5. Step 5: Solve for x
    x = 6,041,518.17/3,279.44
  6. Step 6: Final answer
    x = 1,842.24

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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.