Home / 2,665.09-3,998.07-1,204.36

Finding the Fourth Proportional to 2,665.09, 3,998.07 and 1,204.36

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Solution

The fourth proportional to 2,665.09, 3,998.07 and 1,204.36 is: 1,806.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,665.09 : 3,998.07 = 1,204.36 : x
  2. Step 2: Convert to fraction form
    2,665.09/3,998.07 = 1,204.36/x
  3. Step 3: Cross multiply
    2,665.09x = 3,998.07 × 1,204.36
  4. Step 4: Simplify right side
    2,665.09x = 4,815,115.59
  5. Step 5: Solve for x
    x = 4,815,115.59/2,665.09
  6. Step 6: Final answer
    x = 1,806.74

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1.5x scale

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.