Home / 3,546.05-4,891.39-2,218.66

Finding the Fourth Proportional to 3,546.05, 4,891.39 and 2,218.66

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Solution

The fourth proportional to 3,546.05, 4,891.39 and 2,218.66 is: 3,060.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,546.05 : 4,891.39 = 2,218.66 : x
  2. Step 2: Convert to fraction form
    3,546.05/4,891.39 = 2,218.66/x
  3. Step 3: Cross multiply
    3,546.05x = 4,891.39 × 2,218.66
  4. Step 4: Simplify right side
    3,546.05x = 10,852,331.34
  5. Step 5: Solve for x
    x = 10,852,331.34/3,546.05
  6. Step 6: Final answer
    x = 3,060.40

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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.