Home / 2,749.30-3,782.77-2,375.08

Finding the Fourth Proportional to 2,749.30, 3,782.77 and 2,375.08

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Solution

The fourth proportional to 2,749.30, 3,782.77 and 2,375.08 is: 3,267.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,749.30 : 3,782.77 = 2,375.08 : x
  2. Step 2: Convert to fraction form
    2,749.30/3,782.77 = 2,375.08/x
  3. Step 3: Cross multiply
    2,749.30x = 3,782.77 × 2,375.08
  4. Step 4: Simplify right side
    2,749.30x = 8,984,365.98
  5. Step 5: Solve for x
    x = 8,984,365.98/2,749.30
  6. Step 6: Final answer
    x = 3,267.88

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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.