Home / 3,450.11-5,174.64-1,258.85

Finding the Fourth Proportional to 3,450.11, 5,174.64 and 1,258.85

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Solution

The fourth proportional to 3,450.11, 5,174.64 and 1,258.85 is: 1,888.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,450.11 : 5,174.64 = 1,258.85 : x
  2. Step 2: Convert to fraction form
    3,450.11/5,174.64 = 1,258.85/x
  3. Step 3: Cross multiply
    3,450.11x = 5,174.64 × 1,258.85
  4. Step 4: Simplify right side
    3,450.11x = 6,514,069.69
  5. Step 5: Solve for x
    x = 6,514,069.69/3,450.11
  6. Step 6: Final answer
    x = 1,888.08

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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.