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Finding the Fourth Proportional to 3,910.02, 5,873.20 and 3,324.94

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Solution

The fourth proportional to 3,910.02, 5,873.20 and 3,324.94 is: 4,994.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,910.02 : 5,873.20 = 3,324.94 : x
  2. Step 2: Convert to fraction form
    3,910.02/5,873.20 = 3,324.94/x
  3. Step 3: Cross multiply
    3,910.02x = 5,873.20 × 3,324.94
  4. Step 4: Simplify right side
    3,910.02x = 19,528,037.61
  5. Step 5: Solve for x
    x = 19,528,037.61/3,910.02
  6. Step 6: Final answer
    x = 4,994.36

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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.