Home / 2,230.03-3,077.43-1,235.30

Finding the Fourth Proportional to 2,230.03, 3,077.43 and 1,235.30

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Solution

The fourth proportional to 2,230.03, 3,077.43 and 1,235.30 is: 1,704.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,230.03 : 3,077.43 = 1,235.30 : x
  2. Step 2: Convert to fraction form
    2,230.03/3,077.43 = 1,235.30/x
  3. Step 3: Cross multiply
    2,230.03x = 3,077.43 × 1,235.30
  4. Step 4: Simplify right side
    2,230.03x = 3,801,556.97
  5. Step 5: Solve for x
    x = 3,801,556.97/2,230.03
  6. Step 6: Final answer
    x = 1,704.71

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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.