Home / 2,286.97-3,156.06-1,578.96

Finding the Fourth Proportional to 2,286.97, 3,156.06 and 1,578.96

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Solution

The fourth proportional to 2,286.97, 3,156.06 and 1,578.96 is: 2,179.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,286.97 : 3,156.06 = 1,578.96 : x
  2. Step 2: Convert to fraction form
    2,286.97/3,156.06 = 1,578.96/x
  3. Step 3: Cross multiply
    2,286.97x = 3,156.06 × 1,578.96
  4. Step 4: Simplify right side
    2,286.97x = 4,983,298.42
  5. Step 5: Solve for x
    x = 4,983,298.42/2,286.97
  6. Step 6: Final answer
    x = 2,179.00

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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.