Home / 2,282.72-3,421.08-1,243.16

Finding the Fourth Proportional to 2,282.72, 3,421.08 and 1,243.16

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Solution

The fourth proportional to 2,282.72, 3,421.08 and 1,243.16 is: 1,863.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,282.72 : 3,421.08 = 1,243.16 : x
  2. Step 2: Convert to fraction form
    2,282.72/3,421.08 = 1,243.16/x
  3. Step 3: Cross multiply
    2,282.72x = 3,421.08 × 1,243.16
  4. Step 4: Simplify right side
    2,282.72x = 4,252,949.81
  5. Step 5: Solve for x
    x = 4,252,949.81/2,282.72
  6. Step 6: Final answer
    x = 1,863.11

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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.