Home / 1,717.30-2,576.34-562.78

Finding the Fourth Proportional to 1,717.30, 2,576.34 and 562.78

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Solution

The fourth proportional to 1,717.30, 2,576.34 and 562.78 is: 844.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,717.30 : 2,576.34 = 562.78 : x
  2. Step 2: Convert to fraction form
    1,717.30/2,576.34 = 562.78/x
  3. Step 3: Cross multiply
    1,717.30x = 2,576.34 × 562.78
  4. Step 4: Simplify right side
    1,717.30x = 1,449,912.63
  5. Step 5: Solve for x
    x = 1,449,912.63/1,717.30
  6. Step 6: Final answer
    x = 844.30

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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.