Home / 3,262.82-4,893.58-1,287.90

Finding the Fourth Proportional to 3,262.82, 4,893.58 and 1,287.90

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Solution

The fourth proportional to 3,262.82, 4,893.58 and 1,287.90 is: 1,931.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,262.82 : 4,893.58 = 1,287.90 : x
  2. Step 2: Convert to fraction form
    3,262.82/4,893.58 = 1,287.90/x
  3. Step 3: Cross multiply
    3,262.82x = 4,893.58 × 1,287.90
  4. Step 4: Simplify right side
    3,262.82x = 6,302,443.29
  5. Step 5: Solve for x
    x = 6,302,443.29/3,262.82
  6. Step 6: Final answer
    x = 1,931.60

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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.