Home / 2,799.06-3,861.09-1,749.30

Finding the Fourth Proportional to 2,799.06, 3,861.09 and 1,749.30

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Solution

The fourth proportional to 2,799.06, 3,861.09 and 1,749.30 is: 2,413.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,799.06 : 3,861.09 = 1,749.30 : x
  2. Step 2: Convert to fraction form
    2,799.06/3,861.09 = 1,749.30/x
  3. Step 3: Cross multiply
    2,799.06x = 3,861.09 × 1,749.30
  4. Step 4: Simplify right side
    2,799.06x = 6,754,204.74
  5. Step 5: Solve for x
    x = 6,754,204.74/2,799.06
  6. Step 6: Final answer
    x = 2,413.03

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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.