Home / 3,929.52-5,894.28-2,196.12

Finding the Fourth Proportional to 3,929.52, 5,894.28 and 2,196.12

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Solution

The fourth proportional to 3,929.52, 5,894.28 and 2,196.12 is: 3,294.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,929.52 : 5,894.28 = 2,196.12 : x
  2. Step 2: Convert to fraction form
    3,929.52/5,894.28 = 2,196.12/x
  3. Step 3: Cross multiply
    3,929.52x = 5,894.28 × 2,196.12
  4. Step 4: Simplify right side
    3,929.52x = 12,944,546.19
  5. Step 5: Solve for x
    x = 12,944,546.19/3,929.52
  6. Step 6: Final answer
    x = 3,294.18

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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.