Home / 3,450.29-5,175.38-1,258.08

Finding the Fourth Proportional to 3,450.29, 5,175.38 and 1,258.08

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Solution

The fourth proportional to 3,450.29, 5,175.38 and 1,258.08 is: 1,887.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,450.29 : 5,175.38 = 1,258.08 : x
  2. Step 2: Convert to fraction form
    3,450.29/5,175.38 = 1,258.08/x
  3. Step 3: Cross multiply
    3,450.29x = 5,175.38 × 1,258.08
  4. Step 4: Simplify right side
    3,450.29x = 6,511,035.78
  5. Step 5: Solve for x
    x = 6,511,035.78/3,450.29
  6. Step 6: Final answer
    x = 1,887.10

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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.