Home / 2,841.63-4,262.97-1,281.69

Finding the Fourth Proportional to 2,841.63, 4,262.97 and 1,281.69

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Solution

The fourth proportional to 2,841.63, 4,262.97 and 1,281.69 is: 1,922.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,841.63 : 4,262.97 = 1,281.69 : x
  2. Step 2: Convert to fraction form
    2,841.63/4,262.97 = 1,281.69/x
  3. Step 3: Cross multiply
    2,841.63x = 4,262.97 × 1,281.69
  4. Step 4: Simplify right side
    2,841.63x = 5,463,806.02
  5. Step 5: Solve for x
    x = 5,463,806.02/2,841.63
  6. Step 6: Final answer
    x = 1,922.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.