Home / 3,929.32-5,883.90-3,278.44

Finding the Fourth Proportional to 3,929.32, 5,883.90 and 3,278.44

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Solution

The fourth proportional to 3,929.32, 5,883.90 and 3,278.44 is: 4,909.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,929.32 : 5,883.90 = 3,278.44 : x
  2. Step 2: Convert to fraction form
    3,929.32/5,883.90 = 3,278.44/x
  3. Step 3: Cross multiply
    3,929.32x = 5,883.90 × 3,278.44
  4. Step 4: Simplify right side
    3,929.32x = 19,290,013.12
  5. Step 5: Solve for x
    x = 19,290,013.12/3,929.32
  6. Step 6: Final answer
    x = 4,909.25

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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.