Home / 4,080.89-5,630.29-2,288.12

Finding the Fourth Proportional to 4,080.89, 5,630.29 and 2,288.12

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Solution

The fourth proportional to 4,080.89, 5,630.29 and 2,288.12 is: 3,156.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,080.89 : 5,630.29 = 2,288.12 : x
  2. Step 2: Convert to fraction form
    4,080.89/5,630.29 = 2,288.12/x
  3. Step 3: Cross multiply
    4,080.89x = 5,630.29 × 2,288.12
  4. Step 4: Simplify right side
    4,080.89x = 12,882,745.28
  5. Step 5: Solve for x
    x = 12,882,745.28/4,080.89
  6. Step 6: Final answer
    x = 3,156.85

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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.