Home / 3,552.18-5,326.80-1,086.12

Finding the Fourth Proportional to 3,552.18, 5,326.80 and 1,086.12

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Solution

The fourth proportional to 3,552.18, 5,326.80 and 1,086.12 is: 1,628.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,552.18 : 5,326.80 = 1,086.12 : x
  2. Step 2: Convert to fraction form
    3,552.18/5,326.80 = 1,086.12/x
  3. Step 3: Cross multiply
    3,552.18x = 5,326.80 × 1,086.12
  4. Step 4: Simplify right side
    3,552.18x = 5,785,544.02
  5. Step 5: Solve for x
    x = 5,785,544.02/3,552.18
  6. Step 6: Final answer
    x = 1,628.73

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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.