Home / 3,694.85-5,098.88-2,122.94

Finding the Fourth Proportional to 3,694.85, 5,098.88 and 2,122.94

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Solution

The fourth proportional to 3,694.85, 5,098.88 and 2,122.94 is: 2,929.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,694.85 : 5,098.88 = 2,122.94 : x
  2. Step 2: Convert to fraction form
    3,694.85/5,098.88 = 2,122.94/x
  3. Step 3: Cross multiply
    3,694.85x = 5,098.88 × 2,122.94
  4. Step 4: Simplify right side
    3,694.85x = 10,824,616.31
  5. Step 5: Solve for x
    x = 10,824,616.31/3,694.85
  6. Step 6: Final answer
    x = 2,929.65

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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.