Home / 1,883.20-2,825.18-650.66

Finding the Fourth Proportional to 1,883.20, 2,825.18 and 650.66

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Solution

The fourth proportional to 1,883.20, 2,825.18 and 650.66 is: 976.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,883.20 : 2,825.18 = 650.66 : x
  2. Step 2: Convert to fraction form
    1,883.20/2,825.18 = 650.66/x
  3. Step 3: Cross multiply
    1,883.20x = 2,825.18 × 650.66
  4. Step 4: Simplify right side
    1,883.20x = 1,838,231.62
  5. Step 5: Solve for x
    x = 1,838,231.62/1,883.20
  6. Step 6: Final answer
    x = 976.12

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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.