Home / 2,850.12-4,274.10-1,207.44

Finding the Fourth Proportional to 2,850.12, 4,274.10 and 1,207.44

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Solution

The fourth proportional to 2,850.12, 4,274.10 and 1,207.44 is: 1,810.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,850.12 : 4,274.10 = 1,207.44 : x
  2. Step 2: Convert to fraction form
    2,850.12/4,274.10 = 1,207.44/x
  3. Step 3: Cross multiply
    2,850.12x = 4,274.10 × 1,207.44
  4. Step 4: Simplify right side
    2,850.12x = 5,160,719.30
  5. Step 5: Solve for x
    x = 5,160,719.30/2,850.12
  6. Step 6: Final answer
    x = 1,810.70

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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.