Home / 3,249.72-4,870.40-2,079.27

Finding the Fourth Proportional to 3,249.72, 4,870.40 and 2,079.27

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Solution

The fourth proportional to 3,249.72, 4,870.40 and 2,079.27 is: 3,116.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,249.72 : 4,870.40 = 2,079.27 : x
  2. Step 2: Convert to fraction form
    3,249.72/4,870.40 = 2,079.27/x
  3. Step 3: Cross multiply
    3,249.72x = 4,870.40 × 2,079.27
  4. Step 4: Simplify right side
    3,249.72x = 10,126,866.21
  5. Step 5: Solve for x
    x = 10,126,866.21/3,249.72
  6. Step 6: Final answer
    x = 3,116.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.