Home / 2,270.26-3,132.91-1,275.51

Finding the Fourth Proportional to 2,270.26, 3,132.91 and 1,275.51

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Solution

The fourth proportional to 2,270.26, 3,132.91 and 1,275.51 is: 1,760.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,270.26 : 3,132.91 = 1,275.51 : x
  2. Step 2: Convert to fraction form
    2,270.26/3,132.91 = 1,275.51/x
  3. Step 3: Cross multiply
    2,270.26x = 3,132.91 × 1,275.51
  4. Step 4: Simplify right side
    2,270.26x = 3,996,058.03
  5. Step 5: Solve for x
    x = 3,996,058.03/2,270.26
  6. Step 6: Final answer
    x = 1,760.18

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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.