Home / 3,471-4,784.15-2,631.44

Finding the Fourth Proportional to 3,471, 4,784.15 and 2,631.44

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Solution

The fourth proportional to 3,471, 4,784.15 and 2,631.44 is: 3,626.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,471 : 4,784.15 = 2,631.44 : x
  2. Step 2: Convert to fraction form
    3,471/4,784.15 = 2,631.44/x
  3. Step 3: Cross multiply
    3,471x = 4,784.15 × 2,631.44
  4. Step 4: Simplify right side
    3,471x = 12,589,166.60
  5. Step 5: Solve for x
    x = 12,589,166.60/3,471
  6. Step 6: Final answer
    x = 3,626.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.