Home / 3,385.18-5,068.86-2,863.72

Finding the Fourth Proportional to 3,385.18, 5,068.86 and 2,863.72

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Solution

The fourth proportional to 3,385.18, 5,068.86 and 2,863.72 is: 4,288.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,385.18 : 5,068.86 = 2,863.72 : x
  2. Step 2: Convert to fraction form
    3,385.18/5,068.86 = 2,863.72/x
  3. Step 3: Cross multiply
    3,385.18x = 5,068.86 × 2,863.72
  4. Step 4: Simplify right side
    3,385.18x = 14,515,795.76
  5. Step 5: Solve for x
    x = 14,515,795.76/3,385.18
  6. Step 6: Final answer
    x = 4,288.04

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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.