Home / 3,112.73-4,669.14-804.23

Finding the Fourth Proportional to 3,112.73, 4,669.14 and 804.23

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Solution

The fourth proportional to 3,112.73, 4,669.14 and 804.23 is: 1,206.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,112.73 : 4,669.14 = 804.23 : x
  2. Step 2: Convert to fraction form
    3,112.73/4,669.14 = 804.23/x
  3. Step 3: Cross multiply
    3,112.73x = 4,669.14 × 804.23
  4. Step 4: Simplify right side
    3,112.73x = 3,755,062.46
  5. Step 5: Solve for x
    x = 3,755,062.46/3,112.73
  6. Step 6: Final answer
    x = 1,206.36

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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.