Home / 3,687.38-5,531.08-1,222.35

Finding the Fourth Proportional to 3,687.38, 5,531.08 and 1,222.35

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Solution

The fourth proportional to 3,687.38, 5,531.08 and 1,222.35 is: 1,833.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,687.38 : 5,531.08 = 1,222.35 : x
  2. Step 2: Convert to fraction form
    3,687.38/5,531.08 = 1,222.35/x
  3. Step 3: Cross multiply
    3,687.38x = 5,531.08 × 1,222.35
  4. Step 4: Simplify right side
    3,687.38x = 6,760,912.58
  5. Step 5: Solve for x
    x = 6,760,912.58/3,687.38
  6. Step 6: Final answer
    x = 1,833.53

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1.5x scale

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.