Home / 1,258.46-1,881.08-1,092.61

Finding the Fourth Proportional to 1,258.46, 1,881.08 and 1,092.61

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Solution

The fourth proportional to 1,258.46, 1,881.08 and 1,092.61 is: 1,633.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258.46 : 1,881.08 = 1,092.61 : x
  2. Step 2: Convert to fraction form
    1,258.46/1,881.08 = 1,092.61/x
  3. Step 3: Cross multiply
    1,258.46x = 1,881.08 × 1,092.61
  4. Step 4: Simplify right side
    1,258.46x = 2,055,286.82
  5. Step 5: Solve for x
    x = 2,055,286.82/1,258.46
  6. Step 6: Final answer
    x = 1,633.18

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.