Home / 3,949.28-5,925-1,727.70

Finding the Fourth Proportional to 3,949.28, 5,925 and 1,727.70

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Solution

The fourth proportional to 3,949.28, 5,925 and 1,727.70 is: 2,592.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,949.28 : 5,925 = 1,727.70 : x
  2. Step 2: Convert to fraction form
    3,949.28/5,925 = 1,727.70/x
  3. Step 3: Cross multiply
    3,949.28x = 5,925 × 1,727.70
  4. Step 4: Simplify right side
    3,949.28x = 10,236,644.72
  5. Step 5: Solve for x
    x = 10,236,644.72/3,949.28
  6. Step 6: Final answer
    x = 2,592.03

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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.