Home / 2,850.68-4,276.53-1,291.41

Finding the Fourth Proportional to 2,850.68, 4,276.53 and 1,291.41

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Solution

The fourth proportional to 2,850.68, 4,276.53 and 1,291.41 is: 1,937.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,850.68 : 4,276.53 = 1,291.41 : x
  2. Step 2: Convert to fraction form
    2,850.68/4,276.53 = 1,291.41/x
  3. Step 3: Cross multiply
    2,850.68x = 4,276.53 × 1,291.41
  4. Step 4: Simplify right side
    2,850.68x = 5,522,753.61
  5. Step 5: Solve for x
    x = 5,522,753.61/2,850.68
  6. Step 6: Final answer
    x = 1,937.34

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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.