Home / 3,287.75-4,931.60-1,508.58

Finding the Fourth Proportional to 3,287.75, 4,931.60 and 1,508.58

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Solution

The fourth proportional to 3,287.75, 4,931.60 and 1,508.58 is: 2,262.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,287.75 : 4,931.60 = 1,508.58 : x
  2. Step 2: Convert to fraction form
    3,287.75/4,931.60 = 1,508.58/x
  3. Step 3: Cross multiply
    3,287.75x = 4,931.60 × 1,508.58
  4. Step 4: Simplify right side
    3,287.75x = 7,439,705.59
  5. Step 5: Solve for x
    x = 7,439,705.59/3,287.75
  6. Step 6: Final answer
    x = 2,262.86

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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.