Home / 3,137.31-4,707.48-2,218.77

Finding the Fourth Proportional to 3,137.31, 4,707.48 and 2,218.77

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Solution

The fourth proportional to 3,137.31, 4,707.48 and 2,218.77 is: 3,329.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,137.31 : 4,707.48 = 2,218.77 : x
  2. Step 2: Convert to fraction form
    3,137.31/4,707.48 = 2,218.77/x
  3. Step 3: Cross multiply
    3,137.31x = 4,707.48 × 2,218.77
  4. Step 4: Simplify right side
    3,137.31x = 10,444,815.40
  5. Step 5: Solve for x
    x = 10,444,815.40/3,137.31
  6. Step 6: Final answer
    x = 3,329.23

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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.