Home / 3,672.40-5,067.36-2,079.10

Finding the Fourth Proportional to 3,672.40, 5,067.36 and 2,079.10

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Solution

The fourth proportional to 3,672.40, 5,067.36 and 2,079.10 is: 2,868.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,672.40 : 5,067.36 = 2,079.10 : x
  2. Step 2: Convert to fraction form
    3,672.40/5,067.36 = 2,079.10/x
  3. Step 3: Cross multiply
    3,672.40x = 5,067.36 × 2,079.10
  4. Step 4: Simplify right side
    3,672.40x = 10,535,548.18
  5. Step 5: Solve for x
    x = 10,535,548.18/3,672.40
  6. Step 6: Final answer
    x = 2,868.85

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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.