Home / 2,201.98-3,039.94-1,693.74

Finding the Fourth Proportional to 2,201.98, 3,039.94 and 1,693.74

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Solution

The fourth proportional to 2,201.98, 3,039.94 and 1,693.74 is: 2,338.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,201.98 : 3,039.94 = 1,693.74 : x
  2. Step 2: Convert to fraction form
    2,201.98/3,039.94 = 1,693.74/x
  3. Step 3: Cross multiply
    2,201.98x = 3,039.94 × 1,693.74
  4. Step 4: Simplify right side
    2,201.98x = 5,148,867.98
  5. Step 5: Solve for x
    x = 5,148,867.98/2,201.98
  6. Step 6: Final answer
    x = 2,338.29

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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.