Home / 2,270.66-3,133.44-1,275.98

Finding the Fourth Proportional to 2,270.66, 3,133.44 and 1,275.98

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Solution

The fourth proportional to 2,270.66, 3,133.44 and 1,275.98 is: 1,760.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,270.66 : 3,133.44 = 1,275.98 : x
  2. Step 2: Convert to fraction form
    2,270.66/3,133.44 = 1,275.98/x
  3. Step 3: Cross multiply
    2,270.66x = 3,133.44 × 1,275.98
  4. Step 4: Simplify right side
    2,270.66x = 3,998,191.10
  5. Step 5: Solve for x
    x = 3,998,191.10/2,270.66
  6. Step 6: Final answer
    x = 1,760.81

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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.