Home / 3,920.16-5,877.44-1,839

Finding the Fourth Proportional to 3,920.16, 5,877.44 and 1,839

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Solution

The fourth proportional to 3,920.16, 5,877.44 and 1,839 is: 2,757.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,920.16 : 5,877.44 = 1,839 : x
  2. Step 2: Convert to fraction form
    3,920.16/5,877.44 = 1,839/x
  3. Step 3: Cross multiply
    3,920.16x = 5,877.44 × 1,839
  4. Step 4: Simplify right side
    3,920.16x = 10,808,612.16
  5. Step 5: Solve for x
    x = 10,808,612.16/3,920.16
  6. Step 6: Final answer
    x = 2,757.19

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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.