Home / 4,043.17-5,579.85-2,275.21

Finding the Fourth Proportional to 4,043.17, 5,579.85 and 2,275.21

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Solution

The fourth proportional to 4,043.17, 5,579.85 and 2,275.21 is: 3,139.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,043.17 : 5,579.85 = 2,275.21 : x
  2. Step 2: Convert to fraction form
    4,043.17/5,579.85 = 2,275.21/x
  3. Step 3: Cross multiply
    4,043.17x = 5,579.85 × 2,275.21
  4. Step 4: Simplify right side
    4,043.17x = 12,695,330.52
  5. Step 5: Solve for x
    x = 12,695,330.52/4,043.17
  6. Step 6: Final answer
    x = 3,139.94

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Half scale
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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.