Home / 1,616.80-2,227.62-1,354.36

Finding the Fourth Proportional to 1,616.80, 2,227.62 and 1,354.36

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Solution

The fourth proportional to 1,616.80, 2,227.62 and 1,354.36 is: 1,866.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,616.80 : 2,227.62 = 1,354.36 : x
  2. Step 2: Convert to fraction form
    1,616.80/2,227.62 = 1,354.36/x
  3. Step 3: Cross multiply
    1,616.80x = 2,227.62 × 1,354.36
  4. Step 4: Simplify right side
    1,616.80x = 3,016,999.42
  5. Step 5: Solve for x
    x = 3,016,999.42/1,616.80
  6. Step 6: Final answer
    x = 1,866.03

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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.