Home / 3,382.86-5,074.30-1,191.08

Finding the Fourth Proportional to 3,382.86, 5,074.30 and 1,191.08

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Solution

The fourth proportional to 3,382.86, 5,074.30 and 1,191.08 is: 1,786.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,382.86 : 5,074.30 = 1,191.08 : x
  2. Step 2: Convert to fraction form
    3,382.86/5,074.30 = 1,191.08/x
  3. Step 3: Cross multiply
    3,382.86x = 5,074.30 × 1,191.08
  4. Step 4: Simplify right side
    3,382.86x = 6,043,897.24
  5. Step 5: Solve for x
    x = 6,043,897.24/3,382.86
  6. Step 6: Final answer
    x = 1,786.62

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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.