Home / 2,227.40-3,341.62-766.56

Finding the Fourth Proportional to 2,227.40, 3,341.62 and 766.56

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Solution

The fourth proportional to 2,227.40, 3,341.62 and 766.56 is: 1,150.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,227.40 : 3,341.62 = 766.56 : x
  2. Step 2: Convert to fraction form
    2,227.40/3,341.62 = 766.56/x
  3. Step 3: Cross multiply
    2,227.40x = 3,341.62 × 766.56
  4. Step 4: Simplify right side
    2,227.40x = 2,561,552.23
  5. Step 5: Solve for x
    x = 2,561,552.23/2,227.40
  6. Step 6: Final answer
    x = 1,150.02

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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.