Home / 3,199.74-4,412.61-2,079.41

Finding the Fourth Proportional to 3,199.74, 4,412.61 and 2,079.41

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Solution

The fourth proportional to 3,199.74, 4,412.61 and 2,079.41 is: 2,867.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,199.74 : 4,412.61 = 2,079.41 : x
  2. Step 2: Convert to fraction form
    3,199.74/4,412.61 = 2,079.41/x
  3. Step 3: Cross multiply
    3,199.74x = 4,412.61 × 2,079.41
  4. Step 4: Simplify right side
    3,199.74x = 9,175,603.30
  5. Step 5: Solve for x
    x = 9,175,603.30/3,199.74
  6. Step 6: Final answer
    x = 2,867.61

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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.