Home / 2,258.67-3,116.46-1,263.90

Finding the Fourth Proportional to 2,258.67, 3,116.46 and 1,263.90

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Solution

The fourth proportional to 2,258.67, 3,116.46 and 1,263.90 is: 1,743.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,258.67 : 3,116.46 = 1,263.90 : x
  2. Step 2: Convert to fraction form
    2,258.67/3,116.46 = 1,263.90/x
  3. Step 3: Cross multiply
    2,258.67x = 3,116.46 × 1,263.90
  4. Step 4: Simplify right side
    2,258.67x = 3,938,893.79
  5. Step 5: Solve for x
    x = 3,938,893.79/2,258.67
  6. Step 6: Final answer
    x = 1,743.90

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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.