Home / 3,145.08-4,711.12-1,845.84

Finding the Fourth Proportional to 3,145.08, 4,711.12 and 1,845.84

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Solution

The fourth proportional to 3,145.08, 4,711.12 and 1,845.84 is: 2,764.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,145.08 : 4,711.12 = 1,845.84 : x
  2. Step 2: Convert to fraction form
    3,145.08/4,711.12 = 1,845.84/x
  3. Step 3: Cross multiply
    3,145.08x = 4,711.12 × 1,845.84
  4. Step 4: Simplify right side
    3,145.08x = 8,695,973.74
  5. Step 5: Solve for x
    x = 8,695,973.74/3,145.08
  6. Step 6: Final answer
    x = 2,764.95

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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.