Home / 3,197.91-4,794.53-2,155.31

Finding the Fourth Proportional to 3,197.91, 4,794.53 and 2,155.31

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Solution

The fourth proportional to 3,197.91, 4,794.53 and 2,155.31 is: 3,231.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,197.91 : 4,794.53 = 2,155.31 : x
  2. Step 2: Convert to fraction form
    3,197.91/4,794.53 = 2,155.31/x
  3. Step 3: Cross multiply
    3,197.91x = 4,794.53 × 2,155.31
  4. Step 4: Simplify right side
    3,197.91x = 10,333,663.71
  5. Step 5: Solve for x
    x = 10,333,663.71/3,197.91
  6. Step 6: Final answer
    x = 3,231.38

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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.