Home / 3,188.13-4,783.79-2,134.65

Finding the Fourth Proportional to 3,188.13, 4,783.79 and 2,134.65

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Solution

The fourth proportional to 3,188.13, 4,783.79 and 2,134.65 is: 3,203.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,188.13 : 4,783.79 = 2,134.65 : x
  2. Step 2: Convert to fraction form
    3,188.13/4,783.79 = 2,134.65/x
  3. Step 3: Cross multiply
    3,188.13x = 4,783.79 × 2,134.65
  4. Step 4: Simplify right side
    3,188.13x = 10,211,706.65
  5. Step 5: Solve for x
    x = 10,211,706.65/3,188.13
  6. Step 6: Final answer
    x = 3,203.04

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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.