Home / 3,445.71-4,754.79-2,186.97

Finding the Fourth Proportional to 3,445.71, 4,754.79 and 2,186.97

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Solution

The fourth proportional to 3,445.71, 4,754.79 and 2,186.97 is: 3,017.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,445.71 : 4,754.79 = 2,186.97 : x
  2. Step 2: Convert to fraction form
    3,445.71/4,754.79 = 2,186.97/x
  3. Step 3: Cross multiply
    3,445.71x = 4,754.79 × 2,186.97
  4. Step 4: Simplify right side
    3,445.71x = 10,398,583.09
  5. Step 5: Solve for x
    x = 10,398,583.09/3,445.71
  6. Step 6: Final answer
    x = 3,017.83

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1.5x scale

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.