Home / 2,081.46-2,872.26-1,137.18

Finding the Fourth Proportional to 2,081.46, 2,872.26 and 1,137.18

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Solution

The fourth proportional to 2,081.46, 2,872.26 and 1,137.18 is: 1,569.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,081.46 : 2,872.26 = 1,137.18 : x
  2. Step 2: Convert to fraction form
    2,081.46/2,872.26 = 1,137.18/x
  3. Step 3: Cross multiply
    2,081.46x = 2,872.26 × 1,137.18
  4. Step 4: Simplify right side
    2,081.46x = 3,266,276.63
  5. Step 5: Solve for x
    x = 3,266,276.63/2,081.46
  6. Step 6: Final answer
    x = 1,569.22

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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.