Home / 3,276.12-4,911.09-1,631.11

Finding the Fourth Proportional to 3,276.12, 4,911.09 and 1,631.11

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Solution

The fourth proportional to 3,276.12, 4,911.09 and 1,631.11 is: 2,445.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,276.12 : 4,911.09 = 1,631.11 : x
  2. Step 2: Convert to fraction form
    3,276.12/4,911.09 = 1,631.11/x
  3. Step 3: Cross multiply
    3,276.12x = 4,911.09 × 1,631.11
  4. Step 4: Simplify right side
    3,276.12x = 8,010,528.01
  5. Step 5: Solve for x
    x = 8,010,528.01/3,276.12
  6. Step 6: Final answer
    x = 2,445.13

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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.