Home / 2,624.88-3,936.48-1,237.38

Finding the Fourth Proportional to 2,624.88, 3,936.48 and 1,237.38

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Solution

The fourth proportional to 2,624.88, 3,936.48 and 1,237.38 is: 1,855.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,624.88 : 3,936.48 = 1,237.38 : x
  2. Step 2: Convert to fraction form
    2,624.88/3,936.48 = 1,237.38/x
  3. Step 3: Cross multiply
    2,624.88x = 3,936.48 × 1,237.38
  4. Step 4: Simplify right side
    2,624.88x = 4,870,921.62
  5. Step 5: Solve for x
    x = 4,870,921.62/2,624.88
  6. Step 6: Final answer
    x = 1,855.67

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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.