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Finding the Fourth Proportional to 1,717.83, 2,576.73 and 563.58

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Solution

The fourth proportional to 1,717.83, 2,576.73 and 563.58 is: 845.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,717.83 : 2,576.73 = 563.58 : x
  2. Step 2: Convert to fraction form
    1,717.83/2,576.73 = 563.58/x
  3. Step 3: Cross multiply
    1,717.83x = 2,576.73 × 563.58
  4. Step 4: Simplify right side
    1,717.83x = 1,452,193.49
  5. Step 5: Solve for x
    x = 1,452,193.49/1,717.83
  6. Step 6: Final answer
    x = 845.37

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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.