Home / 3,671.08-5,505.50-2,110.80

Finding the Fourth Proportional to 3,671.08, 5,505.50 and 2,110.80

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Solution

The fourth proportional to 3,671.08, 5,505.50 and 2,110.80 is: 3,165.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,671.08 : 5,505.50 = 2,110.80 : x
  2. Step 2: Convert to fraction form
    3,671.08/5,505.50 = 2,110.80/x
  3. Step 3: Cross multiply
    3,671.08x = 5,505.50 × 2,110.80
  4. Step 4: Simplify right side
    3,671.08x = 11,621,009.40
  5. Step 5: Solve for x
    x = 11,621,009.40/3,671.08
  6. Step 6: Final answer
    x = 3,165.56

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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.