Home / 3,275.87-4,909.70-2,579.79

Finding the Fourth Proportional to 3,275.87, 4,909.70 and 2,579.79

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Solution

The fourth proportional to 3,275.87, 4,909.70 and 2,579.79 is: 3,866.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,275.87 : 4,909.70 = 2,579.79 : x
  2. Step 2: Convert to fraction form
    3,275.87/4,909.70 = 2,579.79/x
  3. Step 3: Cross multiply
    3,275.87x = 4,909.70 × 2,579.79
  4. Step 4: Simplify right side
    3,275.87x = 12,665,973.33
  5. Step 5: Solve for x
    x = 12,665,973.33/3,275.87
  6. Step 6: Final answer
    x = 3,866.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.