Home / 3,171.02-4,749.61-1,934.68

Finding the Fourth Proportional to 3,171.02, 4,749.61 and 1,934.68

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Solution

The fourth proportional to 3,171.02, 4,749.61 and 1,934.68 is: 2,897.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,171.02 : 4,749.61 = 1,934.68 : x
  2. Step 2: Convert to fraction form
    3,171.02/4,749.61 = 1,934.68/x
  3. Step 3: Cross multiply
    3,171.02x = 4,749.61 × 1,934.68
  4. Step 4: Simplify right side
    3,171.02x = 9,188,965.80
  5. Step 5: Solve for x
    x = 9,188,965.80/3,171.02
  6. Step 6: Final answer
    x = 2,897.79

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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.