Home / 1,151.73-1,722.45-1,022.55

Finding the Fourth Proportional to 1,151.73, 1,722.45 and 1,022.55

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Solution

The fourth proportional to 1,151.73, 1,722.45 and 1,022.55 is: 1,529.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,151.73 : 1,722.45 = 1,022.55 : x
  2. Step 2: Convert to fraction form
    1,151.73/1,722.45 = 1,022.55/x
  3. Step 3: Cross multiply
    1,151.73x = 1,722.45 × 1,022.55
  4. Step 4: Simplify right side
    1,151.73x = 1,761,291.25
  5. Step 5: Solve for x
    x = 1,761,291.25/1,151.73
  6. Step 6: Final answer
    x = 1,529.26

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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.