Home / 2,257.25-3,115.26-1,373.00

Finding the Fourth Proportional to 2,257.25, 3,115.26 and 1,373.00

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Solution

The fourth proportional to 2,257.25, 3,115.26 and 1,373.00 is: 1,894.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,257.25 : 3,115.26 = 1,373.00 : x
  2. Step 2: Convert to fraction form
    2,257.25/3,115.26 = 1,373.00/x
  3. Step 3: Cross multiply
    2,257.25x = 3,115.26 × 1,373.00
  4. Step 4: Simplify right side
    2,257.25x = 4,277,236.40
  5. Step 5: Solve for x
    x = 4,277,236.40/2,257.25
  6. Step 6: Final answer
    x = 1,894.89

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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.