Home / 2,207.93-3,047.22-1,276.43

Finding the Fourth Proportional to 2,207.93, 3,047.22 and 1,276.43

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Solution

The fourth proportional to 2,207.93, 3,047.22 and 1,276.43 is: 1,761.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,207.93 : 3,047.22 = 1,276.43 : x
  2. Step 2: Convert to fraction form
    2,207.93/3,047.22 = 1,276.43/x
  3. Step 3: Cross multiply
    2,207.93x = 3,047.22 × 1,276.43
  4. Step 4: Simplify right side
    2,207.93x = 3,889,563.02
  5. Step 5: Solve for x
    x = 3,889,563.02/2,207.93
  6. Step 6: Final answer
    x = 1,761.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.