Home / 2,261-3,121.46-1,708.04

Finding the Fourth Proportional to 2,261, 3,121.46 and 1,708.04

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Solution

The fourth proportional to 2,261, 3,121.46 and 1,708.04 is: 2,358.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,261 : 3,121.46 = 1,708.04 : x
  2. Step 2: Convert to fraction form
    2,261/3,121.46 = 1,708.04/x
  3. Step 3: Cross multiply
    2,261x = 3,121.46 × 1,708.04
  4. Step 4: Simplify right side
    2,261x = 5,331,578.54
  5. Step 5: Solve for x
    x = 5,331,578.54/2,261
  6. Step 6: Final answer
    x = 2,358.06

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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.