Home / 3,393.30-5,089.26-927.92

Finding the Fourth Proportional to 3,393.30, 5,089.26 and 927.92

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Solution

The fourth proportional to 3,393.30, 5,089.26 and 927.92 is: 1,391.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,393.30 : 5,089.26 = 927.92 : x
  2. Step 2: Convert to fraction form
    3,393.30/5,089.26 = 927.92/x
  3. Step 3: Cross multiply
    3,393.30x = 5,089.26 × 927.92
  4. Step 4: Simplify right side
    3,393.30x = 4,722,400.69
  5. Step 5: Solve for x
    x = 4,722,400.69/3,393.30
  6. Step 6: Final answer
    x = 1,391.68

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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.