Home / 2,227.57-3,341.76-766.87

Finding the Fourth Proportional to 2,227.57, 3,341.76 and 766.87

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Solution

The fourth proportional to 2,227.57, 3,341.76 and 766.87 is: 1,150.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,227.57 : 3,341.76 = 766.87 : x
  2. Step 2: Convert to fraction form
    2,227.57/3,341.76 = 766.87/x
  3. Step 3: Cross multiply
    2,227.57x = 3,341.76 × 766.87
  4. Step 4: Simplify right side
    2,227.57x = 2,562,684.26
  5. Step 5: Solve for x
    x = 2,562,684.26/2,227.57
  6. Step 6: Final answer
    x = 1,150.44

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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.