Home / 4,079.14-5,630.23-2,311.79

Finding the Fourth Proportional to 4,079.14, 5,630.23 and 2,311.79

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Solution

The fourth proportional to 4,079.14, 5,630.23 and 2,311.79 is: 3,190.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,079.14 : 5,630.23 = 2,311.79 : x
  2. Step 2: Convert to fraction form
    4,079.14/5,630.23 = 2,311.79/x
  3. Step 3: Cross multiply
    4,079.14x = 5,630.23 × 2,311.79
  4. Step 4: Simplify right side
    4,079.14x = 13,015,909.41
  5. Step 5: Solve for x
    x = 13,015,909.41/4,079.14
  6. Step 6: Final answer
    x = 3,190.85

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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.