Home / 2,270.63-3,133.49-1,275.93

Finding the Fourth Proportional to 2,270.63, 3,133.49 and 1,275.93

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Solution

The fourth proportional to 2,270.63, 3,133.49 and 1,275.93 is: 1,760.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,270.63 : 3,133.49 = 1,275.93 : x
  2. Step 2: Convert to fraction form
    2,270.63/3,133.49 = 1,275.93/x
  3. Step 3: Cross multiply
    2,270.63x = 3,133.49 × 1,275.93
  4. Step 4: Simplify right side
    2,270.63x = 3,998,098.70
  5. Step 5: Solve for x
    x = 3,998,098.70/2,270.63
  6. Step 6: Final answer
    x = 1,760.79

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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.