Home / 3,247.26-4,866.90-1,929.70

Finding the Fourth Proportional to 3,247.26, 4,866.90 and 1,929.70

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Solution

The fourth proportional to 3,247.26, 4,866.90 and 1,929.70 is: 2,892.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,247.26 : 4,866.90 = 1,929.70 : x
  2. Step 2: Convert to fraction form
    3,247.26/4,866.90 = 1,929.70/x
  3. Step 3: Cross multiply
    3,247.26x = 4,866.90 × 1,929.70
  4. Step 4: Simplify right side
    3,247.26x = 9,391,656.93
  5. Step 5: Solve for x
    x = 9,391,656.93/3,247.26
  6. Step 6: Final answer
    x = 2,892.18

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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.