Home / 2,305.84-3,182.08-1,257.91

Finding the Fourth Proportional to 2,305.84, 3,182.08 and 1,257.91

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Solution

The fourth proportional to 2,305.84, 3,182.08 and 1,257.91 is: 1,735.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,305.84 : 3,182.08 = 1,257.91 : x
  2. Step 2: Convert to fraction form
    2,305.84/3,182.08 = 1,257.91/x
  3. Step 3: Cross multiply
    2,305.84x = 3,182.08 × 1,257.91
  4. Step 4: Simplify right side
    2,305.84x = 4,002,770.25
  5. Step 5: Solve for x
    x = 4,002,770.25/2,305.84
  6. Step 6: Final answer
    x = 1,735.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.