Home / 2,019.38-3,029.11-632.66

Finding the Fourth Proportional to 2,019.38, 3,029.11 and 632.66

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Solution

The fourth proportional to 2,019.38, 3,029.11 and 632.66 is: 949.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,019.38 : 3,029.11 = 632.66 : x
  2. Step 2: Convert to fraction form
    2,019.38/3,029.11 = 632.66/x
  3. Step 3: Cross multiply
    2,019.38x = 3,029.11 × 632.66
  4. Step 4: Simplify right side
    2,019.38x = 1,916,396.73
  5. Step 5: Solve for x
    x = 1,916,396.73/2,019.38
  6. Step 6: Final answer
    x = 949.00

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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.