Home / 3,433.29-5,149.93-1,972.86

Finding the Fourth Proportional to 3,433.29, 5,149.93 and 1,972.86

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Solution

The fourth proportional to 3,433.29, 5,149.93 and 1,972.86 is: 2,959.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,433.29 : 5,149.93 = 1,972.86 : x
  2. Step 2: Convert to fraction form
    3,433.29/5,149.93 = 1,972.86/x
  3. Step 3: Cross multiply
    3,433.29x = 5,149.93 × 1,972.86
  4. Step 4: Simplify right side
    3,433.29x = 10,160,090.90
  5. Step 5: Solve for x
    x = 10,160,090.90/3,433.29
  6. Step 6: Final answer
    x = 2,959.29

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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.