Home / 3,943.49-5,442.36-2,750.20

Finding the Fourth Proportional to 3,943.49, 5,442.36 and 2,750.20

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Solution

The fourth proportional to 3,943.49, 5,442.36 and 2,750.20 is: 3,795.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,943.49 : 5,442.36 = 2,750.20 : x
  2. Step 2: Convert to fraction form
    3,943.49/5,442.36 = 2,750.20/x
  3. Step 3: Cross multiply
    3,943.49x = 5,442.36 × 2,750.20
  4. Step 4: Simplify right side
    3,943.49x = 14,967,608.37
  5. Step 5: Solve for x
    x = 14,967,608.37/3,943.49
  6. Step 6: Final answer
    x = 3,795.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.