Home / 2,258.60-3,116.88-1,263.92

Finding the Fourth Proportional to 2,258.60, 3,116.88 and 1,263.92

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Solution

The fourth proportional to 2,258.60, 3,116.88 and 1,263.92 is: 1,744.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,258.60 : 3,116.88 = 1,263.92 : x
  2. Step 2: Convert to fraction form
    2,258.60/3,116.88 = 1,263.92/x
  3. Step 3: Cross multiply
    2,258.60x = 3,116.88 × 1,263.92
  4. Step 4: Simplify right side
    2,258.60x = 3,939,486.97
  5. Step 5: Solve for x
    x = 3,939,486.97/2,258.60
  6. Step 6: Final answer
    x = 1,744.22

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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.