Home / 3,948.35-5,449.34-3,002.61

Finding the Fourth Proportional to 3,948.35, 5,449.34 and 3,002.61

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Solution

The fourth proportional to 3,948.35, 5,449.34 and 3,002.61 is: 4,144.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,948.35 : 5,449.34 = 3,002.61 : x
  2. Step 2: Convert to fraction form
    3,948.35/5,449.34 = 3,002.61/x
  3. Step 3: Cross multiply
    3,948.35x = 5,449.34 × 3,002.61
  4. Step 4: Simplify right side
    3,948.35x = 16,362,270.72
  5. Step 5: Solve for x
    x = 16,362,270.72/3,948.35
  6. Step 6: Final answer
    x = 4,144.08

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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.