Home / 3,730.62-5,591.97-1,780.14

Finding the Fourth Proportional to 3,730.62, 5,591.97 and 1,780.14

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Solution

The fourth proportional to 3,730.62, 5,591.97 and 1,780.14 is: 2,668.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,730.62 : 5,591.97 = 1,780.14 : x
  2. Step 2: Convert to fraction form
    3,730.62/5,591.97 = 1,780.14/x
  3. Step 3: Cross multiply
    3,730.62x = 5,591.97 × 1,780.14
  4. Step 4: Simplify right side
    3,730.62x = 9,954,489.48
  5. Step 5: Solve for x
    x = 9,954,489.48/3,730.62
  6. Step 6: Final answer
    x = 2,668.32

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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.