Home / 1,616.49-2,229.39-1,367.28

Finding the Fourth Proportional to 1,616.49, 2,229.39 and 1,367.28

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Solution

The fourth proportional to 1,616.49, 2,229.39 and 1,367.28 is: 1,885.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,616.49 : 2,229.39 = 1,367.28 : x
  2. Step 2: Convert to fraction form
    1,616.49/2,229.39 = 1,367.28/x
  3. Step 3: Cross multiply
    1,616.49x = 2,229.39 × 1,367.28
  4. Step 4: Simplify right side
    1,616.49x = 3,048,200.36
  5. Step 5: Solve for x
    x = 3,048,200.36/1,616.49
  6. Step 6: Final answer
    x = 1,885.69

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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.