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Finding the Fourth Proportional to 2,486.11, 3,729.07 and 637.24

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Solution

The fourth proportional to 2,486.11, 3,729.07 and 637.24 is: 955.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,486.11 : 3,729.07 = 637.24 : x
  2. Step 2: Convert to fraction form
    2,486.11/3,729.07 = 637.24/x
  3. Step 3: Cross multiply
    2,486.11x = 3,729.07 × 637.24
  4. Step 4: Simplify right side
    2,486.11x = 2,376,293.92
  5. Step 5: Solve for x
    x = 2,376,293.92/2,486.11
  6. Step 6: Final answer
    x = 955.83

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1.5x scale

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.