Home / 3,155.59-4,733.96-1,305.70

Finding the Fourth Proportional to 3,155.59, 4,733.96 and 1,305.70

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Solution

The fourth proportional to 3,155.59, 4,733.96 and 1,305.70 is: 1,958.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,155.59 : 4,733.96 = 1,305.70 : x
  2. Step 2: Convert to fraction form
    3,155.59/4,733.96 = 1,305.70/x
  3. Step 3: Cross multiply
    3,155.59x = 4,733.96 × 1,305.70
  4. Step 4: Simplify right side
    3,155.59x = 6,181,131.57
  5. Step 5: Solve for x
    x = 6,181,131.57/3,155.59
  6. Step 6: Final answer
    x = 1,958.79

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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.