Home / 3,067.47-4,232.79-1,948.01

Finding the Fourth Proportional to 3,067.47, 4,232.79 and 1,948.01

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Solution

The fourth proportional to 3,067.47, 4,232.79 and 1,948.01 is: 2,688.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,067.47 : 4,232.79 = 1,948.01 : x
  2. Step 2: Convert to fraction form
    3,067.47/4,232.79 = 1,948.01/x
  3. Step 3: Cross multiply
    3,067.47x = 4,232.79 × 1,948.01
  4. Step 4: Simplify right side
    3,067.47x = 8,245,496.08
  5. Step 5: Solve for x
    x = 8,245,496.08/3,067.47
  6. Step 6: Final answer
    x = 2,688.04

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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.