Home / 4,043.45-5,579.80-2,275.02

Finding the Fourth Proportional to 4,043.45, 5,579.80 and 2,275.02

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Solution

The fourth proportional to 4,043.45, 5,579.80 and 2,275.02 is: 3,139.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,043.45 : 5,579.80 = 2,275.02 : x
  2. Step 2: Convert to fraction form
    4,043.45/5,579.80 = 2,275.02/x
  3. Step 3: Cross multiply
    4,043.45x = 5,579.80 × 2,275.02
  4. Step 4: Simplify right side
    4,043.45x = 12,694,150.91
  5. Step 5: Solve for x
    x = 12,694,150.91/4,043.45
  6. Step 6: Final answer
    x = 3,139.43

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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.