Home / 3,080.14-4,636.86-2,812.30

Finding the Fourth Proportional to 3,080.14, 4,636.86 and 2,812.30

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Solution

The fourth proportional to 3,080.14, 4,636.86 and 2,812.30 is: 4,233.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,080.14 : 4,636.86 = 2,812.30 : x
  2. Step 2: Convert to fraction form
    3,080.14/4,636.86 = 2,812.30/x
  3. Step 3: Cross multiply
    3,080.14x = 4,636.86 × 2,812.30
  4. Step 4: Simplify right side
    3,080.14x = 13,040,241.38
  5. Step 5: Solve for x
    x = 13,040,241.38/3,080.14
  6. Step 6: Final answer
    x = 4,233.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.