Home / 3,327.86-4,991.81-1,572.30

Finding the Fourth Proportional to 3,327.86, 4,991.81 and 1,572.30

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Solution

The fourth proportional to 3,327.86, 4,991.81 and 1,572.30 is: 2,358.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,327.86 : 4,991.81 = 1,572.30 : x
  2. Step 2: Convert to fraction form
    3,327.86/4,991.81 = 1,572.30/x
  3. Step 3: Cross multiply
    3,327.86x = 4,991.81 × 1,572.30
  4. Step 4: Simplify right side
    3,327.86x = 7,848,615.00
  5. Step 5: Solve for x
    x = 7,848,615.00/3,327.86
  6. Step 6: Final answer
    x = 2,358.46

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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.