Home / 3,523.16-5,285.66-1,331.91

Finding the Fourth Proportional to 3,523.16, 5,285.66 and 1,331.91

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Solution

The fourth proportional to 3,523.16, 5,285.66 and 1,331.91 is: 1,998.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,523.16 : 5,285.66 = 1,331.91 : x
  2. Step 2: Convert to fraction form
    3,523.16/5,285.66 = 1,331.91/x
  3. Step 3: Cross multiply
    3,523.16x = 5,285.66 × 1,331.91
  4. Step 4: Simplify right side
    3,523.16x = 7,040,016.75
  5. Step 5: Solve for x
    x = 7,040,016.75/3,523.16
  6. Step 6: Final answer
    x = 1,998.21

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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.