Home / 2,270.49-3,133.05-1,275.59

Finding the Fourth Proportional to 2,270.49, 3,133.05 and 1,275.59

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Solution

The fourth proportional to 2,270.49, 3,133.05 and 1,275.59 is: 1,760.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,270.49 : 3,133.05 = 1,275.59 : x
  2. Step 2: Convert to fraction form
    2,270.49/3,133.05 = 1,275.59/x
  3. Step 3: Cross multiply
    2,270.49x = 3,133.05 × 1,275.59
  4. Step 4: Simplify right side
    2,270.49x = 3,996,471.58
  5. Step 5: Solve for x
    x = 3,996,471.58/2,270.49
  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.