Home / 3,948.44-5,448.60-2,180.04

Finding the Fourth Proportional to 3,948.44, 5,448.60 and 2,180.04

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Solution

The fourth proportional to 3,948.44, 5,448.60 and 2,180.04 is: 3,008.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,948.44 : 5,448.60 = 2,180.04 : x
  2. Step 2: Convert to fraction form
    3,948.44/5,448.60 = 2,180.04/x
  3. Step 3: Cross multiply
    3,948.44x = 5,448.60 × 2,180.04
  4. Step 4: Simplify right side
    3,948.44x = 11,878,165.94
  5. Step 5: Solve for x
    x = 11,878,165.94/3,948.44
  6. Step 6: Final answer
    x = 3,008.32

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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.