Home / 2,769.22-4,153.08-1,381.53

Finding the Fourth Proportional to 2,769.22, 4,153.08 and 1,381.53

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Solution

The fourth proportional to 2,769.22, 4,153.08 and 1,381.53 is: 2,071.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,769.22 : 4,153.08 = 1,381.53 : x
  2. Step 2: Convert to fraction form
    2,769.22/4,153.08 = 1,381.53/x
  3. Step 3: Cross multiply
    2,769.22x = 4,153.08 × 1,381.53
  4. Step 4: Simplify right side
    2,769.22x = 5,737,604.61
  5. Step 5: Solve for x
    x = 5,737,604.61/2,769.22
  6. Step 6: Final answer
    x = 2,071.92

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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.