Home / 2,850.10-4,274.87-1,931.56

Finding the Fourth Proportional to 2,850.10, 4,274.87 and 1,931.56

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Solution

The fourth proportional to 2,850.10, 4,274.87 and 1,931.56 is: 2,897.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,850.10 : 4,274.87 = 1,931.56 : x
  2. Step 2: Convert to fraction form
    2,850.10/4,274.87 = 1,931.56/x
  3. Step 3: Cross multiply
    2,850.10x = 4,274.87 × 1,931.56
  4. Step 4: Simplify right side
    2,850.10x = 8,257,167.90
  5. Step 5: Solve for x
    x = 8,257,167.90/2,850.10
  6. Step 6: Final answer
    x = 2,897.15

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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.