Home / 3,451.95-5,173.29-1,258.61

Finding the Fourth Proportional to 3,451.95, 5,173.29 and 1,258.61

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Solution

The fourth proportional to 3,451.95, 5,173.29 and 1,258.61 is: 1,886.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,451.95 : 5,173.29 = 1,258.61 : x
  2. Step 2: Convert to fraction form
    3,451.95/5,173.29 = 1,258.61/x
  3. Step 3: Cross multiply
    3,451.95x = 5,173.29 × 1,258.61
  4. Step 4: Simplify right side
    3,451.95x = 6,511,128.66
  5. Step 5: Solve for x
    x = 6,511,128.66/3,451.95
  6. Step 6: Final answer
    x = 1,886.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.