Home / 3,145.11-4,713.57-1,294.08

Finding the Fourth Proportional to 3,145.11, 4,713.57 and 1,294.08

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Solution

The fourth proportional to 3,145.11, 4,713.57 and 1,294.08 is: 1,939.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,145.11 : 4,713.57 = 1,294.08 : x
  2. Step 2: Convert to fraction form
    3,145.11/4,713.57 = 1,294.08/x
  3. Step 3: Cross multiply
    3,145.11x = 4,713.57 × 1,294.08
  4. Step 4: Simplify right side
    3,145.11x = 6,099,736.67
  5. Step 5: Solve for x
    x = 6,099,736.67/3,145.11
  6. Step 6: Final answer
    x = 1,939.44

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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.