Home / 2,382.14-3,287.36-1,334.21

Finding the Fourth Proportional to 2,382.14, 3,287.36 and 1,334.21

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Solution

The fourth proportional to 2,382.14, 3,287.36 and 1,334.21 is: 1,841.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,382.14 : 3,287.36 = 1,334.21 : x
  2. Step 2: Convert to fraction form
    2,382.14/3,287.36 = 1,334.21/x
  3. Step 3: Cross multiply
    2,382.14x = 3,287.36 × 1,334.21
  4. Step 4: Simplify right side
    2,382.14x = 4,386,005.48
  5. Step 5: Solve for x
    x = 4,386,005.48/2,382.14
  6. Step 6: Final answer
    x = 1,841.21

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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.