Home / 3,949.52-5,920.60-1,351.84

Finding the Fourth Proportional to 3,949.52, 5,920.60 and 1,351.84

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Solution

The fourth proportional to 3,949.52, 5,920.60 and 1,351.84 is: 2,026.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,949.52 : 5,920.60 = 1,351.84 : x
  2. Step 2: Convert to fraction form
    3,949.52/5,920.60 = 1,351.84/x
  3. Step 3: Cross multiply
    3,949.52x = 5,920.60 × 1,351.84
  4. Step 4: Simplify right side
    3,949.52x = 8,003,703.90
  5. Step 5: Solve for x
    x = 8,003,703.90/3,949.52
  6. Step 6: Final answer
    x = 2,026.50

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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.