Home / 2,379.52-3,283.64-1,331.58

Finding the Fourth Proportional to 2,379.52, 3,283.64 and 1,331.58

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Solution

The fourth proportional to 2,379.52, 3,283.64 and 1,331.58 is: 1,837.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,379.52 : 3,283.64 = 1,331.58 : x
  2. Step 2: Convert to fraction form
    2,379.52/3,283.64 = 1,331.58/x
  3. Step 3: Cross multiply
    2,379.52x = 3,283.64 × 1,331.58
  4. Step 4: Simplify right side
    2,379.52x = 4,372,429.35
  5. Step 5: Solve for x
    x = 4,372,429.35/2,379.52
  6. Step 6: Final answer
    x = 1,837.53

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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.