Home / 2,794.29-3,856.22-1,660.56

Finding the Fourth Proportional to 2,794.29, 3,856.22 and 1,660.56

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Solution

The fourth proportional to 2,794.29, 3,856.22 and 1,660.56 is: 2,291.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,794.29 : 3,856.22 = 1,660.56 : x
  2. Step 2: Convert to fraction form
    2,794.29/3,856.22 = 1,660.56/x
  3. Step 3: Cross multiply
    2,794.29x = 3,856.22 × 1,660.56
  4. Step 4: Simplify right side
    2,794.29x = 6,403,476.38
  5. Step 5: Solve for x
    x = 6,403,476.38/2,794.29
  6. Step 6: Final answer
    x = 2,291.63

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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.