Home / 2,282.06-3,405.17-2,142.74

Finding the Fourth Proportional to 2,282.06, 3,405.17 and 2,142.74

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Solution

The fourth proportional to 2,282.06, 3,405.17 and 2,142.74 is: 3,197.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,282.06 : 3,405.17 = 2,142.74 : x
  2. Step 2: Convert to fraction form
    2,282.06/3,405.17 = 2,142.74/x
  3. Step 3: Cross multiply
    2,282.06x = 3,405.17 × 2,142.74
  4. Step 4: Simplify right side
    2,282.06x = 7,296,393.97
  5. Step 5: Solve for x
    x = 7,296,393.97/2,282.06
  6. Step 6: Final answer
    x = 3,197.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.