Home / 2,622.27-3,619.86-1,874.94

Finding the Fourth Proportional to 2,622.27, 3,619.86 and 1,874.94

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Solution

The fourth proportional to 2,622.27, 3,619.86 and 1,874.94 is: 2,588.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,622.27 : 3,619.86 = 1,874.94 : x
  2. Step 2: Convert to fraction form
    2,622.27/3,619.86 = 1,874.94/x
  3. Step 3: Cross multiply
    2,622.27x = 3,619.86 × 1,874.94
  4. Step 4: Simplify right side
    2,622.27x = 6,787,020.31
  5. Step 5: Solve for x
    x = 6,787,020.31/2,622.27
  6. Step 6: Final answer
    x = 2,588.22

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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.