Home / 3,118.83-4,675.50-1,475.85

Finding the Fourth Proportional to 3,118.83, 4,675.50 and 1,475.85

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Solution

The fourth proportional to 3,118.83, 4,675.50 and 1,475.85 is: 2,212.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,118.83 : 4,675.50 = 1,475.85 : x
  2. Step 2: Convert to fraction form
    3,118.83/4,675.50 = 1,475.85/x
  3. Step 3: Cross multiply
    3,118.83x = 4,675.50 × 1,475.85
  4. Step 4: Simplify right side
    3,118.83x = 6,900,336.68
  5. Step 5: Solve for x
    x = 6,900,336.68/3,118.83
  6. Step 6: Final answer
    x = 2,212.48

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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.