Home / 3,127.26-4,297.55-2,982.70

Finding the Fourth Proportional to 3,127.26, 4,297.55 and 2,982.70

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Solution

The fourth proportional to 3,127.26, 4,297.55 and 2,982.70 is: 4,098.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,127.26 : 4,297.55 = 2,982.70 : x
  2. Step 2: Convert to fraction form
    3,127.26/4,297.55 = 2,982.70/x
  3. Step 3: Cross multiply
    3,127.26x = 4,297.55 × 2,982.70
  4. Step 4: Simplify right side
    3,127.26x = 12,818,302.39
  5. Step 5: Solve for x
    x = 12,818,302.39/3,127.26
  6. Step 6: Final answer
    x = 4,098.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.