Home / 2,270.84-3,133.76-1,276.11

Finding the Fourth Proportional to 2,270.84, 3,133.76 and 1,276.11

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Solution

The fourth proportional to 2,270.84, 3,133.76 and 1,276.11 is: 1,761.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,270.84 : 3,133.76 = 1,276.11 : x
  2. Step 2: Convert to fraction form
    2,270.84/3,133.76 = 1,276.11/x
  3. Step 3: Cross multiply
    2,270.84x = 3,133.76 × 1,276.11
  4. Step 4: Simplify right side
    2,270.84x = 3,999,016.09
  5. Step 5: Solve for x
    x = 3,999,016.09/2,270.84
  6. Step 6: Final answer
    x = 1,761.03

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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.