Home / 2,282.16-3,148.92-1,443.12

Finding the Fourth Proportional to 2,282.16, 3,148.92 and 1,443.12

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Solution

The fourth proportional to 2,282.16, 3,148.92 and 1,443.12 is: 1,991.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,282.16 : 3,148.92 = 1,443.12 : x
  2. Step 2: Convert to fraction form
    2,282.16/3,148.92 = 1,443.12/x
  3. Step 3: Cross multiply
    2,282.16x = 3,148.92 × 1,443.12
  4. Step 4: Simplify right side
    2,282.16x = 4,544,269.43
  5. Step 5: Solve for x
    x = 4,544,269.43/2,282.16
  6. Step 6: Final answer
    x = 1,991.21

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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.