Home / 3,091.65-4,636.96-1,011.62

Finding the Fourth Proportional to 3,091.65, 4,636.96 and 1,011.62

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Solution

The fourth proportional to 3,091.65, 4,636.96 and 1,011.62 is: 1,517.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,091.65 : 4,636.96 = 1,011.62 : x
  2. Step 2: Convert to fraction form
    3,091.65/4,636.96 = 1,011.62/x
  3. Step 3: Cross multiply
    3,091.65x = 4,636.96 × 1,011.62
  4. Step 4: Simplify right side
    3,091.65x = 4,690,841.48
  5. Step 5: Solve for x
    x = 4,690,841.48/3,091.65
  6. Step 6: Final answer
    x = 1,517.26

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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.