Home / 3,288.42-4,537.89-1,796.40

Finding the Fourth Proportional to 3,288.42, 4,537.89 and 1,796.40

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Solution

The fourth proportional to 3,288.42, 4,537.89 and 1,796.40 is: 2,478.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,288.42 : 4,537.89 = 1,796.40 : x
  2. Step 2: Convert to fraction form
    3,288.42/4,537.89 = 1,796.40/x
  3. Step 3: Cross multiply
    3,288.42x = 4,537.89 × 1,796.40
  4. Step 4: Simplify right side
    3,288.42x = 8,151,865.60
  5. Step 5: Solve for x
    x = 8,151,865.60/3,288.42
  6. Step 6: Final answer
    x = 2,478.96

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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.