Home / 2,033.55-3,051.90-938.70

Finding the Fourth Proportional to 2,033.55, 3,051.90 and 938.70

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Solution

The fourth proportional to 2,033.55, 3,051.90 and 938.70 is: 1,408.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,033.55 : 3,051.90 = 938.70 : x
  2. Step 2: Convert to fraction form
    2,033.55/3,051.90 = 938.70/x
  3. Step 3: Cross multiply
    2,033.55x = 3,051.90 × 938.70
  4. Step 4: Simplify right side
    2,033.55x = 2,864,818.53
  5. Step 5: Solve for x
    x = 2,864,818.53/2,033.55
  6. Step 6: Final answer
    x = 1,408.78

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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.