Home / 2,249.12-3,103.56-1,318.16

Finding the Fourth Proportional to 2,249.12, 3,103.56 and 1,318.16

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Solution

The fourth proportional to 2,249.12, 3,103.56 and 1,318.16 is: 1,818.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,249.12 : 3,103.56 = 1,318.16 : x
  2. Step 2: Convert to fraction form
    2,249.12/3,103.56 = 1,318.16/x
  3. Step 3: Cross multiply
    2,249.12x = 3,103.56 × 1,318.16
  4. Step 4: Simplify right side
    2,249.12x = 4,090,988.65
  5. Step 5: Solve for x
    x = 4,090,988.65/2,249.12
  6. Step 6: Final answer
    x = 1,818.93

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.