Home / 3,552.12-5,327.87-1,212.18

Finding the Fourth Proportional to 3,552.12, 5,327.87 and 1,212.18

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Solution

The fourth proportional to 3,552.12, 5,327.87 and 1,212.18 is: 1,818.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,552.12 : 5,327.87 = 1,212.18 : x
  2. Step 2: Convert to fraction form
    3,552.12/5,327.87 = 1,212.18/x
  3. Step 3: Cross multiply
    3,552.12x = 5,327.87 × 1,212.18
  4. Step 4: Simplify right side
    3,552.12x = 6,458,340.49
  5. Step 5: Solve for x
    x = 6,458,340.49/3,552.12
  6. Step 6: Final answer
    x = 1,818.17

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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.