Home / 3,109.23-4,658.36-2,770.25

Finding the Fourth Proportional to 3,109.23, 4,658.36 and 2,770.25

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Solution

The fourth proportional to 3,109.23, 4,658.36 and 2,770.25 is: 4,150.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,109.23 : 4,658.36 = 2,770.25 : x
  2. Step 2: Convert to fraction form
    3,109.23/4,658.36 = 2,770.25/x
  3. Step 3: Cross multiply
    3,109.23x = 4,658.36 × 2,770.25
  4. Step 4: Simplify right side
    3,109.23x = 12,904,784.65
  5. Step 5: Solve for x
    x = 12,904,784.65/3,109.23
  6. Step 6: Final answer
    x = 4,150.48

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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.