Home / 2,850.45-4,276.43-1,207.06

Finding the Fourth Proportional to 2,850.45, 4,276.43 and 1,207.06

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Solution

The fourth proportional to 2,850.45, 4,276.43 and 1,207.06 is: 1,810.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,850.45 : 4,276.43 = 1,207.06 : x
  2. Step 2: Convert to fraction form
    2,850.45/4,276.43 = 1,207.06/x
  3. Step 3: Cross multiply
    2,850.45x = 4,276.43 × 1,207.06
  4. Step 4: Simplify right side
    2,850.45x = 5,161,907.60
  5. Step 5: Solve for x
    x = 5,161,907.60/2,850.45
  6. Step 6: Final answer
    x = 1,810.91

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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.