Home / 3,670.42-5,505.62-3,019.79

Finding the Fourth Proportional to 3,670.42, 5,505.62 and 3,019.79

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Solution

The fourth proportional to 3,670.42, 5,505.62 and 3,019.79 is: 4,529.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,670.42 : 5,505.62 = 3,019.79 : x
  2. Step 2: Convert to fraction form
    3,670.42/5,505.62 = 3,019.79/x
  3. Step 3: Cross multiply
    3,670.42x = 5,505.62 × 3,019.79
  4. Step 4: Simplify right side
    3,670.42x = 16,625,816.22
  5. Step 5: Solve for x
    x = 16,625,816.22/3,670.42
  6. Step 6: Final answer
    x = 4,529.68

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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.