Home / 3,450.30-5,176.44-1,258.44

Finding the Fourth Proportional to 3,450.30, 5,176.44 and 1,258.44

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Solution

The fourth proportional to 3,450.30, 5,176.44 and 1,258.44 is: 1,888.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,450.30 : 5,176.44 = 1,258.44 : x
  2. Step 2: Convert to fraction form
    3,450.30/5,176.44 = 1,258.44/x
  3. Step 3: Cross multiply
    3,450.30x = 5,176.44 × 1,258.44
  4. Step 4: Simplify right side
    3,450.30x = 6,514,239.15
  5. Step 5: Solve for x
    x = 6,514,239.15/3,450.30
  6. Step 6: Final answer
    x = 1,888.02

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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.