Home / 2,982.04-4,116.82-2,039.22

Finding the Fourth Proportional to 2,982.04, 4,116.82 and 2,039.22

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Solution

The fourth proportional to 2,982.04, 4,116.82 and 2,039.22 is: 2,815.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,982.04 : 4,116.82 = 2,039.22 : x
  2. Step 2: Convert to fraction form
    2,982.04/4,116.82 = 2,039.22/x
  3. Step 3: Cross multiply
    2,982.04x = 4,116.82 × 2,039.22
  4. Step 4: Simplify right side
    2,982.04x = 8,395,101.68
  5. Step 5: Solve for x
    x = 8,395,101.68/2,982.04
  6. Step 6: Final answer
    x = 2,815.22

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1.5x scale

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.