Home / 1,217.19-1,825.80-567.48

Finding the Fourth Proportional to 1,217.19, 1,825.80 and 567.48

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Solution

The fourth proportional to 1,217.19, 1,825.80 and 567.48 is: 851.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217.19 : 1,825.80 = 567.48 : x
  2. Step 2: Convert to fraction form
    1,217.19/1,825.80 = 567.48/x
  3. Step 3: Cross multiply
    1,217.19x = 1,825.80 × 567.48
  4. Step 4: Simplify right side
    1,217.19x = 1,036,104.98
  5. Step 5: Solve for x
    x = 1,036,104.98/1,217.19
  6. Step 6: Final answer
    x = 851.23

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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.