Home / 3,189.65-4,776.72-2,260.79

Finding the Fourth Proportional to 3,189.65, 4,776.72 and 2,260.79

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Solution

The fourth proportional to 3,189.65, 4,776.72 and 2,260.79 is: 3,385.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,189.65 : 4,776.72 = 2,260.79 : x
  2. Step 2: Convert to fraction form
    3,189.65/4,776.72 = 2,260.79/x
  3. Step 3: Cross multiply
    3,189.65x = 4,776.72 × 2,260.79
  4. Step 4: Simplify right side
    3,189.65x = 10,799,136.93
  5. Step 5: Solve for x
    x = 10,799,136.93/3,189.65
  6. Step 6: Final answer
    x = 3,385.68

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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.