Home / 3,677.83-5,517.14-1,178.12

Finding the Fourth Proportional to 3,677.83, 5,517.14 and 1,178.12

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Solution

The fourth proportional to 3,677.83, 5,517.14 and 1,178.12 is: 1,767.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,677.83 : 5,517.14 = 1,178.12 : x
  2. Step 2: Convert to fraction form
    3,677.83/5,517.14 = 1,178.12/x
  3. Step 3: Cross multiply
    3,677.83x = 5,517.14 × 1,178.12
  4. Step 4: Simplify right side
    3,677.83x = 6,499,860.88
  5. Step 5: Solve for x
    x = 6,499,860.88/3,677.83
  6. Step 6: Final answer
    x = 1,767.31

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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.