Home / 3,670.62-5,505.63-1,171.71

Finding the Fourth Proportional to 3,670.62, 5,505.63 and 1,171.71

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Solution

The fourth proportional to 3,670.62, 5,505.63 and 1,171.71 is: 1,757.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,670.62 : 5,505.63 = 1,171.71 : x
  2. Step 2: Convert to fraction form
    3,670.62/5,505.63 = 1,171.71/x
  3. Step 3: Cross multiply
    3,670.62x = 5,505.63 × 1,171.71
  4. Step 4: Simplify right side
    3,670.62x = 6,451,001.73
  5. Step 5: Solve for x
    x = 6,451,001.73/3,670.62
  6. Step 6: Final answer
    x = 1,757.47

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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.