Home / 2,270.49-3,132.94-1,275.58

Finding the Fourth Proportional to 2,270.49, 3,132.94 and 1,275.58

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Solution

The fourth proportional to 2,270.49, 3,132.94 and 1,275.58 is: 1,760.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,270.49 : 3,132.94 = 1,275.58 : x
  2. Step 2: Convert to fraction form
    2,270.49/3,132.94 = 1,275.58/x
  3. Step 3: Cross multiply
    2,270.49x = 3,132.94 × 1,275.58
  4. Step 4: Simplify right side
    2,270.49x = 3,996,315.61
  5. Step 5: Solve for x
    x = 3,996,315.61/2,270.49
  6. Step 6: Final answer
    x = 1,760.11

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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.