Home / 2,850.34-4,276.75-1,002.78

Finding the Fourth Proportional to 2,850.34, 4,276.75 and 1,002.78

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Solution

The fourth proportional to 2,850.34, 4,276.75 and 1,002.78 is: 1,504.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,850.34 : 4,276.75 = 1,002.78 : x
  2. Step 2: Convert to fraction form
    2,850.34/4,276.75 = 1,002.78/x
  3. Step 3: Cross multiply
    2,850.34x = 4,276.75 × 1,002.78
  4. Step 4: Simplify right side
    2,850.34x = 4,288,638.74
  5. Step 5: Solve for x
    x = 4,288,638.74/2,850.34
  6. Step 6: Final answer
    x = 1,504.61

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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.