Home / 2,799.29-3,861.41-1,749.53

Finding the Fourth Proportional to 2,799.29, 3,861.41 and 1,749.53

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Solution

The fourth proportional to 2,799.29, 3,861.41 and 1,749.53 is: 2,413.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,799.29 : 3,861.41 = 1,749.53 : x
  2. Step 2: Convert to fraction form
    2,799.29/3,861.41 = 1,749.53/x
  3. Step 3: Cross multiply
    2,799.29x = 3,861.41 × 1,749.53
  4. Step 4: Simplify right side
    2,799.29x = 6,755,653.54
  5. Step 5: Solve for x
    x = 6,755,653.54/2,799.29
  6. Step 6: Final answer
    x = 2,413.34

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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.