Home / 2,546.99-3,821.70-1,247.75

Finding the Fourth Proportional to 2,546.99, 3,821.70 and 1,247.75

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Solution

The fourth proportional to 2,546.99, 3,821.70 and 1,247.75 is: 1,872.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,546.99 : 3,821.70 = 1,247.75 : x
  2. Step 2: Convert to fraction form
    2,546.99/3,821.70 = 1,247.75/x
  3. Step 3: Cross multiply
    2,546.99x = 3,821.70 × 1,247.75
  4. Step 4: Simplify right side
    2,546.99x = 4,768,526.18
  5. Step 5: Solve for x
    x = 4,768,526.18/2,546.99
  6. Step 6: Final answer
    x = 1,872.22

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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.