Home / 2,261.23-3,391.52-617.91

Finding the Fourth Proportional to 2,261.23, 3,391.52 and 617.91

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Solution

The fourth proportional to 2,261.23, 3,391.52 and 617.91 is: 926.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,261.23 : 3,391.52 = 617.91 : x
  2. Step 2: Convert to fraction form
    2,261.23/3,391.52 = 617.91/x
  3. Step 3: Cross multiply
    2,261.23x = 3,391.52 × 617.91
  4. Step 4: Simplify right side
    2,261.23x = 2,095,660.87
  5. Step 5: Solve for x
    x = 2,095,660.87/2,261.23
  6. Step 6: Final answer
    x = 926.78

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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.