Home / 3,145.07-4,717.76-1,197.42

Finding the Fourth Proportional to 3,145.07, 4,717.76 and 1,197.42

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Solution

The fourth proportional to 3,145.07, 4,717.76 and 1,197.42 is: 1,796.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,145.07 : 4,717.76 = 1,197.42 : x
  2. Step 2: Convert to fraction form
    3,145.07/4,717.76 = 1,197.42/x
  3. Step 3: Cross multiply
    3,145.07x = 4,717.76 × 1,197.42
  4. Step 4: Simplify right side
    3,145.07x = 5,649,134.19
  5. Step 5: Solve for x
    x = 5,649,134.19/3,145.07
  6. Step 6: Final answer
    x = 1,796.19

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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.