Home / 3,587.97-5,382.57-1,122.31

Finding the Fourth Proportional to 3,587.97, 5,382.57 and 1,122.31

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Solution

The fourth proportional to 3,587.97, 5,382.57 and 1,122.31 is: 1,683.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,587.97 : 5,382.57 = 1,122.31 : x
  2. Step 2: Convert to fraction form
    3,587.97/5,382.57 = 1,122.31/x
  3. Step 3: Cross multiply
    3,587.97x = 5,382.57 × 1,122.31
  4. Step 4: Simplify right side
    3,587.97x = 6,040,912.14
  5. Step 5: Solve for x
    x = 6,040,912.14/3,587.97
  6. Step 6: Final answer
    x = 1,683.66

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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.