Home / 3,137.52-4,329.80-2,207.64

Finding the Fourth Proportional to 3,137.52, 4,329.80 and 2,207.64

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Solution

The fourth proportional to 3,137.52, 4,329.80 and 2,207.64 is: 3,046.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,137.52 : 4,329.80 = 2,207.64 : x
  2. Step 2: Convert to fraction form
    3,137.52/4,329.80 = 2,207.64/x
  3. Step 3: Cross multiply
    3,137.52x = 4,329.80 × 2,207.64
  4. Step 4: Simplify right side
    3,137.52x = 9,558,639.67
  5. Step 5: Solve for x
    x = 9,558,639.67/3,137.52
  6. Step 6: Final answer
    x = 3,046.56

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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.