Home / 3,079.85-4,247.79-2,016.41

Finding the Fourth Proportional to 3,079.85, 4,247.79 and 2,016.41

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Solution

The fourth proportional to 3,079.85, 4,247.79 and 2,016.41 is: 2,781.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,079.85 : 4,247.79 = 2,016.41 : x
  2. Step 2: Convert to fraction form
    3,079.85/4,247.79 = 2,016.41/x
  3. Step 3: Cross multiply
    3,079.85x = 4,247.79 × 2,016.41
  4. Step 4: Simplify right side
    3,079.85x = 8,565,264.99
  5. Step 5: Solve for x
    x = 8,565,264.99/3,079.85
  6. Step 6: Final answer
    x = 2,781.07

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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.