Home / 3,433.25-5,149.88-1,381.25

Finding the Fourth Proportional to 3,433.25, 5,149.88 and 1,381.25

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Solution

The fourth proportional to 3,433.25, 5,149.88 and 1,381.25 is: 2,071.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,433.25 : 5,149.88 = 1,381.25 : x
  2. Step 2: Convert to fraction form
    3,433.25/5,149.88 = 1,381.25/x
  3. Step 3: Cross multiply
    3,433.25x = 5,149.88 × 1,381.25
  4. Step 4: Simplify right side
    3,433.25x = 7,113,264.84
  5. Step 5: Solve for x
    x = 7,113,264.84/3,433.25
  6. Step 6: Final answer
    x = 2,071.88

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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.