Home / 4,043.20-5,579.94-2,274.70

Finding the Fourth Proportional to 4,043.20, 5,579.94 and 2,274.70

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Solution

The fourth proportional to 4,043.20, 5,579.94 and 2,274.70 is: 3,139.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,043.20 : 5,579.94 = 2,274.70 : x
  2. Step 2: Convert to fraction form
    4,043.20/5,579.94 = 2,274.70/x
  3. Step 3: Cross multiply
    4,043.20x = 5,579.94 × 2,274.70
  4. Step 4: Simplify right side
    4,043.20x = 12,692,689.52
  5. Step 5: Solve for x
    x = 12,692,689.52/4,043.20
  6. Step 6: Final answer
    x = 3,139.27

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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.