Home / 2,186.19-3,282.57-1,881.36

Finding the Fourth Proportional to 2,186.19, 3,282.57 and 1,881.36

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Solution

The fourth proportional to 2,186.19, 3,282.57 and 1,881.36 is: 2,824.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,186.19 : 3,282.57 = 1,881.36 : x
  2. Step 2: Convert to fraction form
    2,186.19/3,282.57 = 1,881.36/x
  3. Step 3: Cross multiply
    2,186.19x = 3,282.57 × 1,881.36
  4. Step 4: Simplify right side
    2,186.19x = 6,175,695.90
  5. Step 5: Solve for x
    x = 6,175,695.90/2,186.19
  6. Step 6: Final answer
    x = 2,824.87

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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.