Home / 3,110.76-4,290.30-2,270.52

Finding the Fourth Proportional to 3,110.76, 4,290.30 and 2,270.52

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Solution

The fourth proportional to 3,110.76, 4,290.30 and 2,270.52 is: 3,131.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,110.76 : 4,290.30 = 2,270.52 : x
  2. Step 2: Convert to fraction form
    3,110.76/4,290.30 = 2,270.52/x
  3. Step 3: Cross multiply
    3,110.76x = 4,290.30 × 2,270.52
  4. Step 4: Simplify right side
    3,110.76x = 9,741,211.96
  5. Step 5: Solve for x
    x = 9,741,211.96/3,110.76
  6. Step 6: Final answer
    x = 3,131.46

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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.