Home / 2,486.18-3,729.23-637.26

Finding the Fourth Proportional to 2,486.18, 3,729.23 and 637.26

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Solution

The fourth proportional to 2,486.18, 3,729.23 and 637.26 is: 955.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,486.18 : 3,729.23 = 637.26 : x
  2. Step 2: Convert to fraction form
    2,486.18/3,729.23 = 637.26/x
  3. Step 3: Cross multiply
    2,486.18x = 3,729.23 × 637.26
  4. Step 4: Simplify right side
    2,486.18x = 2,376,485.92
  5. Step 5: Solve for x
    x = 2,376,485.92/2,486.18
  6. Step 6: Final answer
    x = 955.88

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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.