Home / 4,080.28-5,630.76-2,217.28

Finding the Fourth Proportional to 4,080.28, 5,630.76 and 2,217.28

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Solution

The fourth proportional to 4,080.28, 5,630.76 and 2,217.28 is: 3,059.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,080.28 : 5,630.76 = 2,217.28 : x
  2. Step 2: Convert to fraction form
    4,080.28/5,630.76 = 2,217.28/x
  3. Step 3: Cross multiply
    4,080.28x = 5,630.76 × 2,217.28
  4. Step 4: Simplify right side
    4,080.28x = 12,484,971.53
  5. Step 5: Solve for x
    x = 12,484,971.53/4,080.28
  6. Step 6: Final answer
    x = 3,059.83

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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.