Home / 3,253.74-4,488.96-2,135.31

Finding the Fourth Proportional to 3,253.74, 4,488.96 and 2,135.31

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Solution

The fourth proportional to 3,253.74, 4,488.96 and 2,135.31 is: 2,945.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,253.74 : 4,488.96 = 2,135.31 : x
  2. Step 2: Convert to fraction form
    3,253.74/4,488.96 = 2,135.31/x
  3. Step 3: Cross multiply
    3,253.74x = 4,488.96 × 2,135.31
  4. Step 4: Simplify right side
    3,253.74x = 9,585,321.18
  5. Step 5: Solve for x
    x = 9,585,321.18/3,253.74
  6. Step 6: Final answer
    x = 2,945.94

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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.