Home / 2,723.45-3,759.08-2,280.65

Finding the Fourth Proportional to 2,723.45, 3,759.08 and 2,280.65

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Solution

The fourth proportional to 2,723.45, 3,759.08 and 2,280.65 is: 3,147.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,723.45 : 3,759.08 = 2,280.65 : x
  2. Step 2: Convert to fraction form
    2,723.45/3,759.08 = 2,280.65/x
  3. Step 3: Cross multiply
    2,723.45x = 3,759.08 × 2,280.65
  4. Step 4: Simplify right side
    2,723.45x = 8,573,115.60
  5. Step 5: Solve for x
    x = 8,573,115.60/2,723.45
  6. Step 6: Final answer
    x = 3,147.89

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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.