Home / 3,673.04-5,509.60-2,939.20

Finding the Fourth Proportional to 3,673.04, 5,509.60 and 2,939.20

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Solution

The fourth proportional to 3,673.04, 5,509.60 and 2,939.20 is: 4,408.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,673.04 : 5,509.60 = 2,939.20 : x
  2. Step 2: Convert to fraction form
    3,673.04/5,509.60 = 2,939.20/x
  3. Step 3: Cross multiply
    3,673.04x = 5,509.60 × 2,939.20
  4. Step 4: Simplify right side
    3,673.04x = 16,193,816.32
  5. Step 5: Solve for x
    x = 16,193,816.32/3,673.04
  6. Step 6: Final answer
    x = 4,408.83

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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.