Home / 3,949.02-5,455.85-3,008

Finding the Fourth Proportional to 3,949.02, 5,455.85 and 3,008

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Solution

The fourth proportional to 3,949.02, 5,455.85 and 3,008 is: 4,155.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,949.02 : 5,455.85 = 3,008 : x
  2. Step 2: Convert to fraction form
    3,949.02/5,455.85 = 3,008/x
  3. Step 3: Cross multiply
    3,949.02x = 5,455.85 × 3,008
  4. Step 4: Simplify right side
    3,949.02x = 16,411,196.80
  5. Step 5: Solve for x
    x = 16,411,196.80/3,949.02
  6. Step 6: Final answer
    x = 4,155.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.