Home / 1,665.99-2,497.39-1,118.33

Finding the Fourth Proportional to 1,665.99, 2,497.39 and 1,118.33

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Solution

The fourth proportional to 1,665.99, 2,497.39 and 1,118.33 is: 1,676.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,665.99 : 2,497.39 = 1,118.33 : x
  2. Step 2: Convert to fraction form
    1,665.99/2,497.39 = 1,118.33/x
  3. Step 3: Cross multiply
    1,665.99x = 2,497.39 × 1,118.33
  4. Step 4: Simplify right side
    1,665.99x = 2,792,906.16
  5. Step 5: Solve for x
    x = 2,792,906.16/1,665.99
  6. Step 6: Final answer
    x = 1,676.42

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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.