Home / 2,034.10-3,051.60-938.20

Finding the Fourth Proportional to 2,034.10, 3,051.60 and 938.20

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Solution

The fourth proportional to 2,034.10, 3,051.60 and 938.20 is: 1,407.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,034.10 : 3,051.60 = 938.20 : x
  2. Step 2: Convert to fraction form
    2,034.10/3,051.60 = 938.20/x
  3. Step 3: Cross multiply
    2,034.10x = 3,051.60 × 938.20
  4. Step 4: Simplify right side
    2,034.10x = 2,863,011.12
  5. Step 5: Solve for x
    x = 2,863,011.12/2,034.10
  6. Step 6: Final answer
    x = 1,407.51

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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.