Home / 2,749.24-3,798.98-2,001.90

Finding the Fourth Proportional to 2,749.24, 3,798.98 and 2,001.90

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Solution

The fourth proportional to 2,749.24, 3,798.98 and 2,001.90 is: 2,766.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,749.24 : 3,798.98 = 2,001.90 : x
  2. Step 2: Convert to fraction form
    2,749.24/3,798.98 = 2,001.90/x
  3. Step 3: Cross multiply
    2,749.24x = 3,798.98 × 2,001.90
  4. Step 4: Simplify right side
    2,749.24x = 7,605,179.70
  5. Step 5: Solve for x
    x = 7,605,179.70/2,749.24
  6. Step 6: Final answer
    x = 2,766.28

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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.