Home / 2,229.96-3,077.40-1,235.22

Finding the Fourth Proportional to 2,229.96, 3,077.40 and 1,235.22

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Solution

The fourth proportional to 2,229.96, 3,077.40 and 1,235.22 is: 1,704.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,229.96 : 3,077.40 = 1,235.22 : x
  2. Step 2: Convert to fraction form
    2,229.96/3,077.40 = 1,235.22/x
  3. Step 3: Cross multiply
    2,229.96x = 3,077.40 × 1,235.22
  4. Step 4: Simplify right side
    2,229.96x = 3,801,266.03
  5. Step 5: Solve for x
    x = 3,801,266.03/2,229.96
  6. Step 6: Final answer
    x = 1,704.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.