Home / 2,581.88-3,872.79-1,758.11

Finding the Fourth Proportional to 2,581.88, 3,872.79 and 1,758.11

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Solution

The fourth proportional to 2,581.88, 3,872.79 and 1,758.11 is: 2,637.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,581.88 : 3,872.79 = 1,758.11 : x
  2. Step 2: Convert to fraction form
    2,581.88/3,872.79 = 1,758.11/x
  3. Step 3: Cross multiply
    2,581.88x = 3,872.79 × 1,758.11
  4. Step 4: Simplify right side
    2,581.88x = 6,808,771.46
  5. Step 5: Solve for x
    x = 6,808,771.46/2,581.88
  6. Step 6: Final answer
    x = 2,637.14

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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.