Home / 2,379.24-3,283.70-1,384.56

Finding the Fourth Proportional to 2,379.24, 3,283.70 and 1,384.56

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Solution

The fourth proportional to 2,379.24, 3,283.70 and 1,384.56 is: 1,910.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,379.24 : 3,283.70 = 1,384.56 : x
  2. Step 2: Convert to fraction form
    2,379.24/3,283.70 = 1,384.56/x
  3. Step 3: Cross multiply
    2,379.24x = 3,283.70 × 1,384.56
  4. Step 4: Simplify right side
    2,379.24x = 4,546,472.75
  5. Step 5: Solve for x
    x = 4,546,472.75/2,379.24
  6. Step 6: Final answer
    x = 1,910.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.