Home / 3,154.73-4,733.18-1,207.49

Finding the Fourth Proportional to 3,154.73, 4,733.18 and 1,207.49

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Solution

The fourth proportional to 3,154.73, 4,733.18 and 1,207.49 is: 1,811.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,154.73 : 4,733.18 = 1,207.49 : x
  2. Step 2: Convert to fraction form
    3,154.73/4,733.18 = 1,207.49/x
  3. Step 3: Cross multiply
    3,154.73x = 4,733.18 × 1,207.49
  4. Step 4: Simplify right side
    3,154.73x = 5,715,261.48
  5. Step 5: Solve for x
    x = 5,715,261.48/3,154.73
  6. Step 6: Final answer
    x = 1,811.65

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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.