Home / 2,013.18-3,019.68-626.46

Finding the Fourth Proportional to 2,013.18, 3,019.68 and 626.46

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Solution

The fourth proportional to 2,013.18, 3,019.68 and 626.46 is: 939.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,013.18 : 3,019.68 = 626.46 : x
  2. Step 2: Convert to fraction form
    2,013.18/3,019.68 = 626.46/x
  3. Step 3: Cross multiply
    2,013.18x = 3,019.68 × 626.46
  4. Step 4: Simplify right side
    2,013.18x = 1,891,708.73
  5. Step 5: Solve for x
    x = 1,891,708.73/2,013.18
  6. Step 6: Final answer
    x = 939.66

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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.