Home / 2,270.34-3,133.11-1,275.69

Finding the Fourth Proportional to 2,270.34, 3,133.11 and 1,275.69

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Solution

The fourth proportional to 2,270.34, 3,133.11 and 1,275.69 is: 1,760.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,270.34 : 3,133.11 = 1,275.69 : x
  2. Step 2: Convert to fraction form
    2,270.34/3,133.11 = 1,275.69/x
  3. Step 3: Cross multiply
    2,270.34x = 3,133.11 × 1,275.69
  4. Step 4: Simplify right side
    2,270.34x = 3,996,877.10
  5. Step 5: Solve for x
    x = 3,996,877.10/2,270.34
  6. Step 6: Final answer
    x = 1,760.48

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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.