Home / 3,035.62-4,186.83-2,289.70

Finding the Fourth Proportional to 3,035.62, 4,186.83 and 2,289.70

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Solution

The fourth proportional to 3,035.62, 4,186.83 and 2,289.70 is: 3,158.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,035.62 : 4,186.83 = 2,289.70 : x
  2. Step 2: Convert to fraction form
    3,035.62/4,186.83 = 2,289.70/x
  3. Step 3: Cross multiply
    3,035.62x = 4,186.83 × 2,289.70
  4. Step 4: Simplify right side
    3,035.62x = 9,586,584.65
  5. Step 5: Solve for x
    x = 9,586,584.65/3,035.62
  6. Step 6: Final answer
    x = 3,158.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.