Home / 3,080.97-4,618.25-1,971.17

Finding the Fourth Proportional to 3,080.97, 4,618.25 and 1,971.17

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Solution

The fourth proportional to 3,080.97, 4,618.25 and 1,971.17 is: 2,954.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,080.97 : 4,618.25 = 1,971.17 : x
  2. Step 2: Convert to fraction form
    3,080.97/4,618.25 = 1,971.17/x
  3. Step 3: Cross multiply
    3,080.97x = 4,618.25 × 1,971.17
  4. Step 4: Simplify right side
    3,080.97x = 9,103,347.62
  5. Step 5: Solve for x
    x = 9,103,347.62/3,080.97
  6. Step 6: Final answer
    x = 2,954.70

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1.5x scale

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.