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Finding the Fourth Proportional to 2,010.75, 3,014.10 and 1,229.10

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Solution

The fourth proportional to 2,010.75, 3,014.10 and 1,229.10 is: 1,842.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,010.75 : 3,014.10 = 1,229.10 : x
  2. Step 2: Convert to fraction form
    2,010.75/3,014.10 = 1,229.10/x
  3. Step 3: Cross multiply
    2,010.75x = 3,014.10 × 1,229.10
  4. Step 4: Simplify right side
    2,010.75x = 3,704,630.31
  5. Step 5: Solve for x
    x = 3,704,630.31/2,010.75
  6. Step 6: Final answer
    x = 1,842.41

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1.5x scale

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.