Home / 1,614.33-2,227.23-942.21

Finding the Fourth Proportional to 1,614.33, 2,227.23 and 942.21

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Solution

The fourth proportional to 1,614.33, 2,227.23 and 942.21 is: 1,299.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,614.33 : 2,227.23 = 942.21 : x
  2. Step 2: Convert to fraction form
    1,614.33/2,227.23 = 942.21/x
  3. Step 3: Cross multiply
    1,614.33x = 2,227.23 × 942.21
  4. Step 4: Simplify right side
    1,614.33x = 2,098,518.38
  5. Step 5: Solve for x
    x = 2,098,518.38/1,614.33
  6. Step 6: Final answer
    x = 1,299.93

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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.