Home / 2,537.75-3,809.34-2,131.32

Finding the Fourth Proportional to 2,537.75, 3,809.34 and 2,131.32

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Solution

The fourth proportional to 2,537.75, 3,809.34 and 2,131.32 is: 3,199.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,537.75 : 3,809.34 = 2,131.32 : x
  2. Step 2: Convert to fraction form
    2,537.75/3,809.34 = 2,131.32/x
  3. Step 3: Cross multiply
    2,537.75x = 3,809.34 × 2,131.32
  4. Step 4: Simplify right side
    2,537.75x = 8,118,922.53
  5. Step 5: Solve for x
    x = 8,118,922.53/2,537.75
  6. Step 6: Final answer
    x = 3,199.27

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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.