Home / 2,382.81-3,288.30-1,334.94

Finding the Fourth Proportional to 2,382.81, 3,288.30 and 1,334.94

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Solution

The fourth proportional to 2,382.81, 3,288.30 and 1,334.94 is: 1,842.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,382.81 : 3,288.30 = 1,334.94 : x
  2. Step 2: Convert to fraction form
    2,382.81/3,288.30 = 1,334.94/x
  3. Step 3: Cross multiply
    2,382.81x = 3,288.30 × 1,334.94
  4. Step 4: Simplify right side
    2,382.81x = 4,389,683.20
  5. Step 5: Solve for x
    x = 4,389,683.20/2,382.81
  6. Step 6: Final answer
    x = 1,842.23

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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.