Home / 3,319.89-4,980.44-1,372.24

Finding the Fourth Proportional to 3,319.89, 4,980.44 and 1,372.24

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Solution

The fourth proportional to 3,319.89, 4,980.44 and 1,372.24 is: 2,058.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,319.89 : 4,980.44 = 1,372.24 : x
  2. Step 2: Convert to fraction form
    3,319.89/4,980.44 = 1,372.24/x
  3. Step 3: Cross multiply
    3,319.89x = 4,980.44 × 1,372.24
  4. Step 4: Simplify right side
    3,319.89x = 6,834,360.92
  5. Step 5: Solve for x
    x = 6,834,360.92/3,319.89
  6. Step 6: Final answer
    x = 2,058.61

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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.