Home / 3,987.33-5,503.23-3,041.61

Finding the Fourth Proportional to 3,987.33, 5,503.23 and 3,041.61

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Solution

The fourth proportional to 3,987.33, 5,503.23 and 3,041.61 is: 4,197.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,987.33 : 5,503.23 = 3,041.61 : x
  2. Step 2: Convert to fraction form
    3,987.33/5,503.23 = 3,041.61/x
  3. Step 3: Cross multiply
    3,987.33x = 5,503.23 × 3,041.61
  4. Step 4: Simplify right side
    3,987.33x = 16,738,679.40
  5. Step 5: Solve for x
    x = 16,738,679.40/3,987.33
  6. Step 6: Final answer
    x = 4,197.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.