Home / 2,770.22-4,169.27-2,080.50

Finding the Fourth Proportional to 2,770.22, 4,169.27 and 2,080.50

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Solution

The fourth proportional to 2,770.22, 4,169.27 and 2,080.50 is: 3,131.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,770.22 : 4,169.27 = 2,080.50 : x
  2. Step 2: Convert to fraction form
    2,770.22/4,169.27 = 2,080.50/x
  3. Step 3: Cross multiply
    2,770.22x = 4,169.27 × 2,080.50
  4. Step 4: Simplify right side
    2,770.22x = 8,674,166.24
  5. Step 5: Solve for x
    x = 8,674,166.24/2,770.22
  6. Step 6: Final answer
    x = 3,131.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.