Home / 3,289.05-4,933.58-3,159.45

Finding the Fourth Proportional to 3,289.05, 4,933.58 and 3,159.45

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Solution

The fourth proportional to 3,289.05, 4,933.58 and 3,159.45 is: 4,739.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,289.05 : 4,933.58 = 3,159.45 : x
  2. Step 2: Convert to fraction form
    3,289.05/4,933.58 = 3,159.45/x
  3. Step 3: Cross multiply
    3,289.05x = 4,933.58 × 3,159.45
  4. Step 4: Simplify right side
    3,289.05x = 15,587,383.53
  5. Step 5: Solve for x
    x = 15,587,383.53/3,289.05
  6. Step 6: Final answer
    x = 4,739.18

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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.