Home / 3,696.87-5,542.07-1,387.83

Finding the Fourth Proportional to 3,696.87, 5,542.07 and 1,387.83

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Solution

The fourth proportional to 3,696.87, 5,542.07 and 1,387.83 is: 2,080.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,696.87 : 5,542.07 = 1,387.83 : x
  2. Step 2: Convert to fraction form
    3,696.87/5,542.07 = 1,387.83/x
  3. Step 3: Cross multiply
    3,696.87x = 5,542.07 × 1,387.83
  4. Step 4: Simplify right side
    3,696.87x = 7,691,444.07
  5. Step 5: Solve for x
    x = 7,691,444.07/3,696.87
  6. Step 6: Final answer
    x = 2,080.53

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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.