Home / 3,585.14-4,947.32-1,991.89

Finding the Fourth Proportional to 3,585.14, 4,947.32 and 1,991.89

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Solution

The fourth proportional to 3,585.14, 4,947.32 and 1,991.89 is: 2,748.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,585.14 : 4,947.32 = 1,991.89 : x
  2. Step 2: Convert to fraction form
    3,585.14/4,947.32 = 1,991.89/x
  3. Step 3: Cross multiply
    3,585.14x = 4,947.32 × 1,991.89
  4. Step 4: Simplify right side
    3,585.14x = 9,854,502.38
  5. Step 5: Solve for x
    x = 9,854,502.38/3,585.14
  6. Step 6: Final answer
    x = 2,748.71

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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.