Home / 2,227.56-3,341.67-767.13

Finding the Fourth Proportional to 2,227.56, 3,341.67 and 767.13

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Solution

The fourth proportional to 2,227.56, 3,341.67 and 767.13 is: 1,150.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,227.56 : 3,341.67 = 767.13 : x
  2. Step 2: Convert to fraction form
    2,227.56/3,341.67 = 767.13/x
  3. Step 3: Cross multiply
    2,227.56x = 3,341.67 × 767.13
  4. Step 4: Simplify right side
    2,227.56x = 2,563,495.31
  5. Step 5: Solve for x
    x = 2,563,495.31/2,227.56
  6. Step 6: Final answer
    x = 1,150.81

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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.