Home / 2,258.31-3,116.61-1,263.63

Finding the Fourth Proportional to 2,258.31, 3,116.61 and 1,263.63

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Solution

The fourth proportional to 2,258.31, 3,116.61 and 1,263.63 is: 1,743.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,258.31 : 3,116.61 = 1,263.63 : x
  2. Step 2: Convert to fraction form
    2,258.31/3,116.61 = 1,263.63/x
  3. Step 3: Cross multiply
    2,258.31x = 3,116.61 × 1,263.63
  4. Step 4: Simplify right side
    2,258.31x = 3,938,241.89
  5. Step 5: Solve for x
    x = 3,938,241.89/2,258.31
  6. Step 6: Final answer
    x = 1,743.89

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