Home / 2,270.92-3,133.74-1,276.51

Finding the Fourth Proportional to 2,270.92, 3,133.74 and 1,276.51

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Solution

The fourth proportional to 2,270.92, 3,133.74 and 1,276.51 is: 1,761.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,270.92 : 3,133.74 = 1,276.51 : x
  2. Step 2: Convert to fraction form
    2,270.92/3,133.74 = 1,276.51/x
  3. Step 3: Cross multiply
    2,270.92x = 3,133.74 × 1,276.51
  4. Step 4: Simplify right side
    2,270.92x = 4,000,250.45
  5. Step 5: Solve for x
    x = 4,000,250.45/2,270.92
  6. Step 6: Final answer
    x = 1,761.51

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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.