Home / 2,258.89-3,117.15-1,263.97

Finding the Fourth Proportional to 2,258.89, 3,117.15 and 1,263.97

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Solution

The fourth proportional to 2,258.89, 3,117.15 and 1,263.97 is: 1,744.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,258.89 : 3,117.15 = 1,263.97 : x
  2. Step 2: Convert to fraction form
    2,258.89/3,117.15 = 1,263.97/x
  3. Step 3: Cross multiply
    2,258.89x = 3,117.15 × 1,263.97
  4. Step 4: Simplify right side
    2,258.89x = 3,939,984.09
  5. Step 5: Solve for x
    x = 3,939,984.09/2,258.89
  6. Step 6: Final answer
    x = 1,744.21

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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.