Home / 2,481.32-3,421.99-1,853.37

Finding the Fourth Proportional to 2,481.32, 3,421.99 and 1,853.37

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Solution

The fourth proportional to 2,481.32, 3,421.99 and 1,853.37 is: 2,555.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,481.32 : 3,421.99 = 1,853.37 : x
  2. Step 2: Convert to fraction form
    2,481.32/3,421.99 = 1,853.37/x
  3. Step 3: Cross multiply
    2,481.32x = 3,421.99 × 1,853.37
  4. Step 4: Simplify right side
    2,481.32x = 6,342,213.61
  5. Step 5: Solve for x
    x = 6,342,213.61/2,481.32
  6. Step 6: Final answer
    x = 2,555.98

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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.