Home / 2,258.14-3,115.94-1,263.31

Finding the Fourth Proportional to 2,258.14, 3,115.94 and 1,263.31

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Solution

The fourth proportional to 2,258.14, 3,115.94 and 1,263.31 is: 1,743.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,258.14 : 3,115.94 = 1,263.31 : x
  2. Step 2: Convert to fraction form
    2,258.14/3,115.94 = 1,263.31/x
  3. Step 3: Cross multiply
    2,258.14x = 3,115.94 × 1,263.31
  4. Step 4: Simplify right side
    2,258.14x = 3,936,391.84
  5. Step 5: Solve for x
    x = 3,936,391.84/2,258.14
  6. Step 6: Final answer
    x = 1,743.20

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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.