Home / 3,948.19-5,450.48-2,456.59

Finding the Fourth Proportional to 3,948.19, 5,450.48 and 2,456.59

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Solution

The fourth proportional to 3,948.19, 5,450.48 and 2,456.59 is: 3,391.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,948.19 : 5,450.48 = 2,456.59 : x
  2. Step 2: Convert to fraction form
    3,948.19/5,450.48 = 2,456.59/x
  3. Step 3: Cross multiply
    3,948.19x = 5,450.48 × 2,456.59
  4. Step 4: Simplify right side
    3,948.19x = 13,389,594.66
  5. Step 5: Solve for x
    x = 13,389,594.66/3,948.19
  6. Step 6: Final answer
    x = 3,391.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.