Home / 3,151.47-4,727.49-1,203.69

Finding the Fourth Proportional to 3,151.47, 4,727.49 and 1,203.69

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Solution

The fourth proportional to 3,151.47, 4,727.49 and 1,203.69 is: 1,805.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,151.47 : 4,727.49 = 1,203.69 : x
  2. Step 2: Convert to fraction form
    3,151.47/4,727.49 = 1,203.69/x
  3. Step 3: Cross multiply
    3,151.47x = 4,727.49 × 1,203.69
  4. Step 4: Simplify right side
    3,151.47x = 5,690,432.44
  5. Step 5: Solve for x
    x = 5,690,432.44/3,151.47
  6. Step 6: Final answer
    x = 1,805.64

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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.