Home / 3,694.49-5,538.80-2,132.72

Finding the Fourth Proportional to 3,694.49, 5,538.80 and 2,132.72

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Solution

The fourth proportional to 3,694.49, 5,538.80 and 2,132.72 is: 3,197.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,694.49 : 5,538.80 = 2,132.72 : x
  2. Step 2: Convert to fraction form
    3,694.49/5,538.80 = 2,132.72/x
  3. Step 3: Cross multiply
    3,694.49x = 5,538.80 × 2,132.72
  4. Step 4: Simplify right side
    3,694.49x = 11,812,712.72
  5. Step 5: Solve for x
    x = 11,812,712.72/3,694.49
  6. Step 6: Final answer
    x = 3,197.39

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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.