Home / 3,670.08-5,504.88-1,939.68

Finding the Fourth Proportional to 3,670.08, 5,504.88 and 1,939.68

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Solution

The fourth proportional to 3,670.08, 5,504.88 and 1,939.68 is: 2,909.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,670.08 : 5,504.88 = 1,939.68 : x
  2. Step 2: Convert to fraction form
    3,670.08/5,504.88 = 1,939.68/x
  3. Step 3: Cross multiply
    3,670.08x = 5,504.88 × 1,939.68
  4. Step 4: Simplify right side
    3,670.08x = 10,677,705.64
  5. Step 5: Solve for x
    x = 10,677,705.64/3,670.08
  6. Step 6: Final answer
    x = 2,909.39

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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.