Home / 4,043.20-5,579.52-2,645.92

Finding the Fourth Proportional to 4,043.20, 5,579.52 and 2,645.92

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Solution

The fourth proportional to 4,043.20, 5,579.52 and 2,645.92 is: 3,651.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,043.20 : 5,579.52 = 2,645.92 : x
  2. Step 2: Convert to fraction form
    4,043.20/5,579.52 = 2,645.92/x
  3. Step 3: Cross multiply
    4,043.20x = 5,579.52 × 2,645.92
  4. Step 4: Simplify right side
    4,043.20x = 14,762,963.56
  5. Step 5: Solve for x
    x = 14,762,963.56/4,043.20
  6. Step 6: Final answer
    x = 3,651.31

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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.