Home / 3,327.72-4,987.80-1,478.58

Finding the Fourth Proportional to 3,327.72, 4,987.80 and 1,478.58

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Solution

The fourth proportional to 3,327.72, 4,987.80 and 1,478.58 is: 2,216.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,327.72 : 4,987.80 = 1,478.58 : x
  2. Step 2: Convert to fraction form
    3,327.72/4,987.80 = 1,478.58/x
  3. Step 3: Cross multiply
    3,327.72x = 4,987.80 × 1,478.58
  4. Step 4: Simplify right side
    3,327.72x = 7,374,861.32
  5. Step 5: Solve for x
    x = 7,374,861.32/3,327.72
  6. Step 6: Final answer
    x = 2,216.19

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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.