Home / 2,813.16-3,882.45-1,694.58

Finding the Fourth Proportional to 2,813.16, 3,882.45 and 1,694.58

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Solution

The fourth proportional to 2,813.16, 3,882.45 and 1,694.58 is: 2,338.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,813.16 : 3,882.45 = 1,694.58 : x
  2. Step 2: Convert to fraction form
    2,813.16/3,882.45 = 1,694.58/x
  3. Step 3: Cross multiply
    2,813.16x = 3,882.45 × 1,694.58
  4. Step 4: Simplify right side
    2,813.16x = 6,579,122.12
  5. Step 5: Solve for x
    x = 6,579,122.12/2,813.16
  6. Step 6: Final answer
    x = 2,338.69

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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.