Home / 2,270.19-3,133.07-1,275.71

Finding the Fourth Proportional to 2,270.19, 3,133.07 and 1,275.71

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Solution

The fourth proportional to 2,270.19, 3,133.07 and 1,275.71 is: 1,760.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,270.19 : 3,133.07 = 1,275.71 : x
  2. Step 2: Convert to fraction form
    2,270.19/3,133.07 = 1,275.71/x
  3. Step 3: Cross multiply
    2,270.19x = 3,133.07 × 1,275.71
  4. Step 4: Simplify right side
    2,270.19x = 3,996,890.18
  5. Step 5: Solve for x
    x = 3,996,890.18/2,270.19
  6. Step 6: Final answer
    x = 1,760.60

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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.