Home / 2,770.10-4,149.66-2,077.55

Finding the Fourth Proportional to 2,770.10, 4,149.66 and 2,077.55

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Solution

The fourth proportional to 2,770.10, 4,149.66 and 2,077.55 is: 3,112.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,770.10 : 4,149.66 = 2,077.55 : x
  2. Step 2: Convert to fraction form
    2,770.10/4,149.66 = 2,077.55/x
  3. Step 3: Cross multiply
    2,770.10x = 4,149.66 × 2,077.55
  4. Step 4: Simplify right side
    2,770.10x = 8,621,128.74
  5. Step 5: Solve for x
    x = 8,621,128.74/2,770.10
  6. Step 6: Final answer
    x = 3,112.21

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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.