Home / 2,270.22-3,146.28-2,235.66

Finding the Fourth Proportional to 2,270.22, 3,146.28 and 2,235.66

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Solution

The fourth proportional to 2,270.22, 3,146.28 and 2,235.66 is: 3,098.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,270.22 : 3,146.28 = 2,235.66 : x
  2. Step 2: Convert to fraction form
    2,270.22/3,146.28 = 2,235.66/x
  3. Step 3: Cross multiply
    2,270.22x = 3,146.28 × 2,235.66
  4. Step 4: Simplify right side
    2,270.22x = 7,034,012.34
  5. Step 5: Solve for x
    x = 7,034,012.34/2,270.22
  6. Step 6: Final answer
    x = 3,098.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.