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Finding the Fourth Proportional to 3,674.08, 5,506.08 and 1,939.24

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Solution

The fourth proportional to 3,674.08, 5,506.08 and 1,939.24 is: 2,906.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,674.08 : 5,506.08 = 1,939.24 : x
  2. Step 2: Convert to fraction form
    3,674.08/5,506.08 = 1,939.24/x
  3. Step 3: Cross multiply
    3,674.08x = 5,506.08 × 1,939.24
  4. Step 4: Simplify right side
    3,674.08x = 10,677,610.58
  5. Step 5: Solve for x
    x = 10,677,610.58/3,674.08
  6. Step 6: Final answer
    x = 2,906.20

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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.