Home / 1,830.24-2,744.88-531.36

Finding the Fourth Proportional to 1,830.24, 2,744.88 and 531.36

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Solution

The fourth proportional to 1,830.24, 2,744.88 and 531.36 is: 796.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,830.24 : 2,744.88 = 531.36 : x
  2. Step 2: Convert to fraction form
    1,830.24/2,744.88 = 531.36/x
  3. Step 3: Cross multiply
    1,830.24x = 2,744.88 × 531.36
  4. Step 4: Simplify right side
    1,830.24x = 1,458,519.44
  5. Step 5: Solve for x
    x = 1,458,519.44/1,830.24
  6. Step 6: Final answer
    x = 796.90

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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.