Home / 2,186.47-3,283.62-2,098.38

Finding the Fourth Proportional to 2,186.47, 3,283.62 and 2,098.38

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Solution

The fourth proportional to 2,186.47, 3,283.62 and 2,098.38 is: 3,151.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,186.47 : 3,283.62 = 2,098.38 : x
  2. Step 2: Convert to fraction form
    2,186.47/3,283.62 = 2,098.38/x
  3. Step 3: Cross multiply
    2,186.47x = 3,283.62 × 2,098.38
  4. Step 4: Simplify right side
    2,186.47x = 6,890,282.54
  5. Step 5: Solve for x
    x = 6,890,282.54/2,186.47
  6. Step 6: Final answer
    x = 3,151.33

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1.5x scale

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.