Home / 2,178.63-3,269.07-1,082.97

Finding the Fourth Proportional to 2,178.63, 3,269.07 and 1,082.97

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Solution

The fourth proportional to 2,178.63, 3,269.07 and 1,082.97 is: 1,625.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,178.63 : 3,269.07 = 1,082.97 : x
  2. Step 2: Convert to fraction form
    2,178.63/3,269.07 = 1,082.97/x
  3. Step 3: Cross multiply
    2,178.63x = 3,269.07 × 1,082.97
  4. Step 4: Simplify right side
    2,178.63x = 3,540,304.74
  5. Step 5: Solve for x
    x = 3,540,304.74/2,178.63
  6. Step 6: Final answer
    x = 1,625.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.