Home / 1,793.05-2,686.55-1,270.52

Finding the Fourth Proportional to 1,793.05, 2,686.55 and 1,270.52

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Solution

The fourth proportional to 1,793.05, 2,686.55 and 1,270.52 is: 1,903.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,793.05 : 2,686.55 = 1,270.52 : x
  2. Step 2: Convert to fraction form
    1,793.05/2,686.55 = 1,270.52/x
  3. Step 3: Cross multiply
    1,793.05x = 2,686.55 × 1,270.52
  4. Step 4: Simplify right side
    1,793.05x = 3,413,305.80
  5. Step 5: Solve for x
    x = 3,413,305.80/1,793.05
  6. Step 6: Final answer
    x = 1,903.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.