Home / 3,699.38-5,549.84-1,234.39

Finding the Fourth Proportional to 3,699.38, 5,549.84 and 1,234.39

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Solution

The fourth proportional to 3,699.38, 5,549.84 and 1,234.39 is: 1,851.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,699.38 : 5,549.84 = 1,234.39 : x
  2. Step 2: Convert to fraction form
    3,699.38/5,549.84 = 1,234.39/x
  3. Step 3: Cross multiply
    3,699.38x = 5,549.84 × 1,234.39
  4. Step 4: Simplify right side
    3,699.38x = 6,850,656.21
  5. Step 5: Solve for x
    x = 6,850,656.21/3,699.38
  6. Step 6: Final answer
    x = 1,851.84

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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.