Home / 3,694.13-5,097.96-2,122.59

Finding the Fourth Proportional to 3,694.13, 5,097.96 and 2,122.59

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Solution

The fourth proportional to 3,694.13, 5,097.96 and 2,122.59 is: 2,929.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,694.13 : 5,097.96 = 2,122.59 : x
  2. Step 2: Convert to fraction form
    3,694.13/5,097.96 = 2,122.59/x
  3. Step 3: Cross multiply
    3,694.13x = 5,097.96 × 2,122.59
  4. Step 4: Simplify right side
    3,694.13x = 10,820,878.92
  5. Step 5: Solve for x
    x = 10,820,878.92/3,694.13
  6. Step 6: Final answer
    x = 2,929.21

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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.