Home / 2,850.57-4,276.31-1,207.13

Finding the Fourth Proportional to 2,850.57, 4,276.31 and 1,207.13

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Solution

The fourth proportional to 2,850.57, 4,276.31 and 1,207.13 is: 1,810.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,850.57 : 4,276.31 = 1,207.13 : x
  2. Step 2: Convert to fraction form
    2,850.57/4,276.31 = 1,207.13/x
  3. Step 3: Cross multiply
    2,850.57x = 4,276.31 × 1,207.13
  4. Step 4: Simplify right side
    2,850.57x = 5,162,034.67
  5. Step 5: Solve for x
    x = 5,162,034.67/2,850.57
  6. Step 6: Final answer
    x = 1,810.88

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1.5x scale

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.