Home / 2,261.35-3,391.69-618.04

Finding the Fourth Proportional to 2,261.35, 3,391.69 and 618.04

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Solution

The fourth proportional to 2,261.35, 3,391.69 and 618.04 is: 926.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,261.35 : 3,391.69 = 618.04 : x
  2. Step 2: Convert to fraction form
    2,261.35/3,391.69 = 618.04/x
  3. Step 3: Cross multiply
    2,261.35x = 3,391.69 × 618.04
  4. Step 4: Simplify right side
    2,261.35x = 2,096,200.09
  5. Step 5: Solve for x
    x = 2,096,200.09/2,261.35
  6. Step 6: Final answer
    x = 926.97

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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.