Home / 2,081.27-2,872.08-1,137.03

Finding the Fourth Proportional to 2,081.27, 2,872.08 and 1,137.03

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Solution

The fourth proportional to 2,081.27, 2,872.08 and 1,137.03 is: 1,569.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,081.27 : 2,872.08 = 1,137.03 : x
  2. Step 2: Convert to fraction form
    2,081.27/2,872.08 = 1,137.03/x
  3. Step 3: Cross multiply
    2,081.27x = 2,872.08 × 1,137.03
  4. Step 4: Simplify right side
    2,081.27x = 3,265,641.12
  5. Step 5: Solve for x
    x = 3,265,641.12/2,081.27
  6. Step 6: Final answer
    x = 1,569.06

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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.