Home / 2,845.80-4,243.59-2,744.28

Finding the Fourth Proportional to 2,845.80, 4,243.59 and 2,744.28

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Solution

The fourth proportional to 2,845.80, 4,243.59 and 2,744.28 is: 4,092.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,845.80 : 4,243.59 = 2,744.28 : x
  2. Step 2: Convert to fraction form
    2,845.80/4,243.59 = 2,744.28/x
  3. Step 3: Cross multiply
    2,845.80x = 4,243.59 × 2,744.28
  4. Step 4: Simplify right side
    2,845.80x = 11,645,599.17
  5. Step 5: Solve for x
    x = 11,645,599.17/2,845.80
  6. Step 6: Final answer
    x = 4,092.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.