Home / 1,713.34-2,568.19-890.79

Finding the Fourth Proportional to 1,713.34, 2,568.19 and 890.79

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Solution

The fourth proportional to 1,713.34, 2,568.19 and 890.79 is: 1,335.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,713.34 : 2,568.19 = 890.79 : x
  2. Step 2: Convert to fraction form
    1,713.34/2,568.19 = 890.79/x
  3. Step 3: Cross multiply
    1,713.34x = 2,568.19 × 890.79
  4. Step 4: Simplify right side
    1,713.34x = 2,287,717.97
  5. Step 5: Solve for x
    x = 2,287,717.97/1,713.34
  6. Step 6: Final answer
    x = 1,335.24

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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.