Home / 2,065.12-2,849.97-1,318.48

Finding the Fourth Proportional to 2,065.12, 2,849.97 and 1,318.48

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Solution

The fourth proportional to 2,065.12, 2,849.97 and 1,318.48 is: 1,819.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,065.12 : 2,849.97 = 1,318.48 : x
  2. Step 2: Convert to fraction form
    2,065.12/2,849.97 = 1,318.48/x
  3. Step 3: Cross multiply
    2,065.12x = 2,849.97 × 1,318.48
  4. Step 4: Simplify right side
    2,065.12x = 3,757,628.45
  5. Step 5: Solve for x
    x = 3,757,628.45/2,065.12
  6. Step 6: Final answer
    x = 1,819.57

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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.