Home / 3,197.91-4,795.82-1,117.45

Finding the Fourth Proportional to 3,197.91, 4,795.82 and 1,117.45

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Solution

The fourth proportional to 3,197.91, 4,795.82 and 1,117.45 is: 1,675.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,197.91 : 4,795.82 = 1,117.45 : x
  2. Step 2: Convert to fraction form
    3,197.91/4,795.82 = 1,117.45/x
  3. Step 3: Cross multiply
    3,197.91x = 4,795.82 × 1,117.45
  4. Step 4: Simplify right side
    3,197.91x = 5,359,089.06
  5. Step 5: Solve for x
    x = 5,359,089.06/3,197.91
  6. Step 6: Final answer
    x = 1,675.81

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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.