Home / 2,023.45-3,035.30-636.83

Finding the Fourth Proportional to 2,023.45, 3,035.30 and 636.83

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Solution

The fourth proportional to 2,023.45, 3,035.30 and 636.83 is: 955.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,023.45 : 3,035.30 = 636.83 : x
  2. Step 2: Convert to fraction form
    2,023.45/3,035.30 = 636.83/x
  3. Step 3: Cross multiply
    2,023.45x = 3,035.30 × 636.83
  4. Step 4: Simplify right side
    2,023.45x = 1,932,980.69
  5. Step 5: Solve for x
    x = 1,932,980.69/2,023.45
  6. Step 6: Final answer
    x = 955.29

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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.