Home / 1,616.38-2,424.58-1,293.79

Finding the Fourth Proportional to 1,616.38, 2,424.58 and 1,293.79

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Solution

The fourth proportional to 1,616.38, 2,424.58 and 1,293.79 is: 1,940.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,616.38 : 2,424.58 = 1,293.79 : x
  2. Step 2: Convert to fraction form
    1,616.38/2,424.58 = 1,293.79/x
  3. Step 3: Cross multiply
    1,616.38x = 2,424.58 × 1,293.79
  4. Step 4: Simplify right side
    1,616.38x = 3,136,897.36
  5. Step 5: Solve for x
    x = 3,136,897.36/1,616.38
  6. Step 6: Final answer
    x = 1,940.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.