Home / 2,770.12-4,144.38-1,901.80

Finding the Fourth Proportional to 2,770.12, 4,144.38 and 1,901.80

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Solution

The fourth proportional to 2,770.12, 4,144.38 and 1,901.80 is: 2,845.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,770.12 : 4,144.38 = 1,901.80 : x
  2. Step 2: Convert to fraction form
    2,770.12/4,144.38 = 1,901.80/x
  3. Step 3: Cross multiply
    2,770.12x = 4,144.38 × 1,901.80
  4. Step 4: Simplify right side
    2,770.12x = 7,881,781.88
  5. Step 5: Solve for x
    x = 7,881,781.88/2,770.12
  6. Step 6: Final answer
    x = 2,845.29

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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.