Home / 1,823.29-2,728.46-1,335.13

Finding the Fourth Proportional to 1,823.29, 2,728.46 and 1,335.13

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Solution

The fourth proportional to 1,823.29, 2,728.46 and 1,335.13 is: 1,997.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,823.29 : 2,728.46 = 1,335.13 : x
  2. Step 2: Convert to fraction form
    1,823.29/2,728.46 = 1,335.13/x
  3. Step 3: Cross multiply
    1,823.29x = 2,728.46 × 1,335.13
  4. Step 4: Simplify right side
    1,823.29x = 3,642,842.12
  5. Step 5: Solve for x
    x = 3,642,842.12/1,823.29
  6. Step 6: Final answer
    x = 1,997.95

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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.