Home / 3,290.31-4,935.33-1,098.87

Finding the Fourth Proportional to 3,290.31, 4,935.33 and 1,098.87

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Solution

The fourth proportional to 3,290.31, 4,935.33 and 1,098.87 is: 1,648.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,290.31 : 4,935.33 = 1,098.87 : x
  2. Step 2: Convert to fraction form
    3,290.31/4,935.33 = 1,098.87/x
  3. Step 3: Cross multiply
    3,290.31x = 4,935.33 × 1,098.87
  4. Step 4: Simplify right side
    3,290.31x = 5,423,286.08
  5. Step 5: Solve for x
    x = 5,423,286.08/3,290.31
  6. Step 6: Final answer
    x = 1,648.26

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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.