Home / 2,110.66-2,912.96-1,324.55

Finding the Fourth Proportional to 2,110.66, 2,912.96 and 1,324.55

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Solution

The fourth proportional to 2,110.66, 2,912.96 and 1,324.55 is: 1,828.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,110.66 : 2,912.96 = 1,324.55 : x
  2. Step 2: Convert to fraction form
    2,110.66/2,912.96 = 1,324.55/x
  3. Step 3: Cross multiply
    2,110.66x = 2,912.96 × 1,324.55
  4. Step 4: Simplify right side
    2,110.66x = 3,858,371.76
  5. Step 5: Solve for x
    x = 3,858,371.76/2,110.66
  6. Step 6: Final answer
    x = 1,828.04

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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.