Home / 4,079.80-5,630.18-2,216.84

Finding the Fourth Proportional to 4,079.80, 5,630.18 and 2,216.84

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Solution

The fourth proportional to 4,079.80, 5,630.18 and 2,216.84 is: 3,059.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,079.80 : 5,630.18 = 2,216.84 : x
  2. Step 2: Convert to fraction form
    4,079.80/5,630.18 = 2,216.84/x
  3. Step 3: Cross multiply
    4,079.80x = 5,630.18 × 2,216.84
  4. Step 4: Simplify right side
    4,079.80x = 12,481,208.23
  5. Step 5: Solve for x
    x = 12,481,208.23/4,079.80
  6. Step 6: Final answer
    x = 3,059.27

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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.