Home / 1,493.24-2,229.79-1,219.87

Finding the Fourth Proportional to 1,493.24, 2,229.79 and 1,219.87

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Solution

The fourth proportional to 1,493.24, 2,229.79 and 1,219.87 is: 1,821.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,493.24 : 2,229.79 = 1,219.87 : x
  2. Step 2: Convert to fraction form
    1,493.24/2,229.79 = 1,219.87/x
  3. Step 3: Cross multiply
    1,493.24x = 2,229.79 × 1,219.87
  4. Step 4: Simplify right side
    1,493.24x = 2,720,053.93
  5. Step 5: Solve for x
    x = 2,720,053.93/1,493.24
  6. Step 6: Final answer
    x = 1,821.58

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.