Home / 3,579.68-4,937.92-2,087.44

Finding the Fourth Proportional to 3,579.68, 4,937.92 and 2,087.44

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Solution

The fourth proportional to 3,579.68, 4,937.92 and 2,087.44 is: 2,879.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,579.68 : 4,937.92 = 2,087.44 : x
  2. Step 2: Convert to fraction form
    3,579.68/4,937.92 = 2,087.44/x
  3. Step 3: Cross multiply
    3,579.68x = 4,937.92 × 2,087.44
  4. Step 4: Simplify right side
    3,579.68x = 10,307,594.16
  5. Step 5: Solve for x
    x = 10,307,594.16/3,579.68
  6. Step 6: Final answer
    x = 2,879.47

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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.