Home / 3,451.66-5,175.95-1,258.85

Finding the Fourth Proportional to 3,451.66, 5,175.95 and 1,258.85

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Solution

The fourth proportional to 3,451.66, 5,175.95 and 1,258.85 is: 1,887.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,451.66 : 5,175.95 = 1,258.85 : x
  2. Step 2: Convert to fraction form
    3,451.66/5,175.95 = 1,258.85/x
  3. Step 3: Cross multiply
    3,451.66x = 5,175.95 × 1,258.85
  4. Step 4: Simplify right side
    3,451.66x = 6,515,757.07
  5. Step 5: Solve for x
    x = 6,515,757.07/3,451.66
  6. Step 6: Final answer
    x = 1,887.72

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1.5x scale

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.