Home / 1,614.24-2,227.92-1,318.92

Finding the Fourth Proportional to 1,614.24, 2,227.92 and 1,318.92

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Solution

The fourth proportional to 1,614.24, 2,227.92 and 1,318.92 is: 1,820.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,614.24 : 2,227.92 = 1,318.92 : x
  2. Step 2: Convert to fraction form
    1,614.24/2,227.92 = 1,318.92/x
  3. Step 3: Cross multiply
    1,614.24x = 2,227.92 × 1,318.92
  4. Step 4: Simplify right side
    1,614.24x = 2,938,448.25
  5. Step 5: Solve for x
    x = 2,938,448.25/1,614.24
  6. Step 6: Final answer
    x = 1,820.33

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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.