Home / 2,431.46-3,644.76-1,199.76

Finding the Fourth Proportional to 2,431.46, 3,644.76 and 1,199.76

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Solution

The fourth proportional to 2,431.46, 3,644.76 and 1,199.76 is: 1,798.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,431.46 : 3,644.76 = 1,199.76 : x
  2. Step 2: Convert to fraction form
    2,431.46/3,644.76 = 1,199.76/x
  3. Step 3: Cross multiply
    2,431.46x = 3,644.76 × 1,199.76
  4. Step 4: Simplify right side
    2,431.46x = 4,372,828.09
  5. Step 5: Solve for x
    x = 4,372,828.09/2,431.46
  6. Step 6: Final answer
    x = 1,798.44

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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.