Home / 3,390.49-5,085.92-1,052.11

Finding the Fourth Proportional to 3,390.49, 5,085.92 and 1,052.11

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Solution

The fourth proportional to 3,390.49, 5,085.92 and 1,052.11 is: 1,578.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,390.49 : 5,085.92 = 1,052.11 : x
  2. Step 2: Convert to fraction form
    3,390.49/5,085.92 = 1,052.11/x
  3. Step 3: Cross multiply
    3,390.49x = 5,085.92 × 1,052.11
  4. Step 4: Simplify right side
    3,390.49x = 5,350,942.03
  5. Step 5: Solve for x
    x = 5,350,942.03/3,390.49
  6. Step 6: Final answer
    x = 1,578.22

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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.