Home / 2,261.16-3,391.30-617.32

Finding the Fourth Proportional to 2,261.16, 3,391.30 and 617.32

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Solution

The fourth proportional to 2,261.16, 3,391.30 and 617.32 is: 925.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,261.16 : 3,391.30 = 617.32 : x
  2. Step 2: Convert to fraction form
    2,261.16/3,391.30 = 617.32/x
  3. Step 3: Cross multiply
    2,261.16x = 3,391.30 × 617.32
  4. Step 4: Simplify right side
    2,261.16x = 2,093,507.29
  5. Step 5: Solve for x
    x = 2,093,507.29/2,261.16
  6. Step 6: Final answer
    x = 925.86

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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.