Home / 3,948.14-5,448.16-2,435.47

Finding the Fourth Proportional to 3,948.14, 5,448.16 and 2,435.47

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Solution

The fourth proportional to 3,948.14, 5,448.16 and 2,435.47 is: 3,360.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,948.14 : 5,448.16 = 2,435.47 : x
  2. Step 2: Convert to fraction form
    3,948.14/5,448.16 = 2,435.47/x
  3. Step 3: Cross multiply
    3,948.14x = 5,448.16 × 2,435.47
  4. Step 4: Simplify right side
    3,948.14x = 13,268,819.66
  5. Step 5: Solve for x
    x = 13,268,819.66/3,948.14
  6. Step 6: Final answer
    x = 3,360.78

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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.