Home / 2,270.13-3,132.67-1,275.45

Finding the Fourth Proportional to 2,270.13, 3,132.67 and 1,275.45

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Solution

The fourth proportional to 2,270.13, 3,132.67 and 1,275.45 is: 1,760.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,270.13 : 3,132.67 = 1,275.45 : x
  2. Step 2: Convert to fraction form
    2,270.13/3,132.67 = 1,275.45/x
  3. Step 3: Cross multiply
    2,270.13x = 3,132.67 × 1,275.45
  4. Step 4: Simplify right side
    2,270.13x = 3,995,563.95
  5. Step 5: Solve for x
    x = 3,995,563.95/2,270.13
  6. Step 6: Final answer
    x = 1,760.06

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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.