Home / 2,227.70-3,341.55-2,142.65

Finding the Fourth Proportional to 2,227.70, 3,341.55 and 2,142.65

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Solution

The fourth proportional to 2,227.70, 3,341.55 and 2,142.65 is: 3,213.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,227.70 : 3,341.55 = 2,142.65 : x
  2. Step 2: Convert to fraction form
    2,227.70/3,341.55 = 2,142.65/x
  3. Step 3: Cross multiply
    2,227.70x = 3,341.55 × 2,142.65
  4. Step 4: Simplify right side
    2,227.70x = 7,159,772.11
  5. Step 5: Solve for x
    x = 7,159,772.11/2,227.70
  6. Step 6: Final answer
    x = 3,213.98

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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.