Home / 3,348.80-5,022.30-1,400.60

Finding the Fourth Proportional to 3,348.80, 5,022.30 and 1,400.60

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Solution

The fourth proportional to 3,348.80, 5,022.30 and 1,400.60 is: 2,100.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,348.80 : 5,022.30 = 1,400.60 : x
  2. Step 2: Convert to fraction form
    3,348.80/5,022.30 = 1,400.60/x
  3. Step 3: Cross multiply
    3,348.80x = 5,022.30 × 1,400.60
  4. Step 4: Simplify right side
    3,348.80x = 7,034,233.38
  5. Step 5: Solve for x
    x = 7,034,233.38/3,348.80
  6. Step 6: Final answer
    x = 2,100.52

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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.