Home / 3,279.52-4,918.32-3,246.40

Finding the Fourth Proportional to 3,279.52, 4,918.32 and 3,246.40

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Solution

The fourth proportional to 3,279.52, 4,918.32 and 3,246.40 is: 4,868.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,279.52 : 4,918.32 = 3,246.40 : x
  2. Step 2: Convert to fraction form
    3,279.52/4,918.32 = 3,246.40/x
  3. Step 3: Cross multiply
    3,279.52x = 4,918.32 × 3,246.40
  4. Step 4: Simplify right side
    3,279.52x = 15,966,834.05
  5. Step 5: Solve for x
    x = 15,966,834.05/3,279.52
  6. Step 6: Final answer
    x = 4,868.65

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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.