Home / 3,197.11-4,796.81-1,117.42

Finding the Fourth Proportional to 3,197.11, 4,796.81 and 1,117.42

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Solution

The fourth proportional to 3,197.11, 4,796.81 and 1,117.42 is: 1,676.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,197.11 : 4,796.81 = 1,117.42 : x
  2. Step 2: Convert to fraction form
    3,197.11/4,796.81 = 1,117.42/x
  3. Step 3: Cross multiply
    3,197.11x = 4,796.81 × 1,117.42
  4. Step 4: Simplify right side
    3,197.11x = 5,360,021.86
  5. Step 5: Solve for x
    x = 5,360,021.86/3,197.11
  6. Step 6: Final answer
    x = 1,676.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.