Home / 2,270.04-3,132.54-1,275.36

Finding the Fourth Proportional to 2,270.04, 3,132.54 and 1,275.36

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Solution

The fourth proportional to 2,270.04, 3,132.54 and 1,275.36 is: 1,759.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,270.04 : 3,132.54 = 1,275.36 : x
  2. Step 2: Convert to fraction form
    2,270.04/3,132.54 = 1,275.36/x
  3. Step 3: Cross multiply
    2,270.04x = 3,132.54 × 1,275.36
  4. Step 4: Simplify right side
    2,270.04x = 3,995,116.21
  5. Step 5: Solve for x
    x = 3,995,116.21/2,270.04
  6. Step 6: Final answer
    x = 1,759.93

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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.