Home / 2,749.66-3,793.85-1,630.55

Finding the Fourth Proportional to 2,749.66, 3,793.85 and 1,630.55

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Solution

The fourth proportional to 2,749.66, 3,793.85 and 1,630.55 is: 2,249.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,749.66 : 3,793.85 = 1,630.55 : x
  2. Step 2: Convert to fraction form
    2,749.66/3,793.85 = 1,630.55/x
  3. Step 3: Cross multiply
    2,749.66x = 3,793.85 × 1,630.55
  4. Step 4: Simplify right side
    2,749.66x = 6,186,043.64
  5. Step 5: Solve for x
    x = 6,186,043.64/2,749.66
  6. Step 6: Final answer
    x = 2,249.75

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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.