Home / 2,965.14-4,448.12-1,321.65

Finding the Fourth Proportional to 2,965.14, 4,448.12 and 1,321.65

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Solution

The fourth proportional to 2,965.14, 4,448.12 and 1,321.65 is: 1,982.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,965.14 : 4,448.12 = 1,321.65 : x
  2. Step 2: Convert to fraction form
    2,965.14/4,448.12 = 1,321.65/x
  3. Step 3: Cross multiply
    2,965.14x = 4,448.12 × 1,321.65
  4. Step 4: Simplify right side
    2,965.14x = 5,878,851.19
  5. Step 5: Solve for x
    x = 5,878,851.19/2,965.14
  6. Step 6: Final answer
    x = 1,982.66

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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.