Home / 3,318.96-4,577.24-1,992.18

Finding the Fourth Proportional to 3,318.96, 4,577.24 and 1,992.18

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Solution

The fourth proportional to 3,318.96, 4,577.24 and 1,992.18 is: 2,747.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,318.96 : 4,577.24 = 1,992.18 : x
  2. Step 2: Convert to fraction form
    3,318.96/4,577.24 = 1,992.18/x
  3. Step 3: Cross multiply
    3,318.96x = 4,577.24 × 1,992.18
  4. Step 4: Simplify right side
    3,318.96x = 9,118,685.98
  5. Step 5: Solve for x
    x = 9,118,685.98/3,318.96
  6. Step 6: Final answer
    x = 2,747.45

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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.