Home / 3,769.36-5,654.58-1,172.56

Finding the Fourth Proportional to 3,769.36, 5,654.58 and 1,172.56

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Solution

The fourth proportional to 3,769.36, 5,654.58 and 1,172.56 is: 1,759.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,769.36 : 5,654.58 = 1,172.56 : x
  2. Step 2: Convert to fraction form
    3,769.36/5,654.58 = 1,172.56/x
  3. Step 3: Cross multiply
    3,769.36x = 5,654.58 × 1,172.56
  4. Step 4: Simplify right side
    3,769.36x = 6,630,334.32
  5. Step 5: Solve for x
    x = 6,630,334.32/3,769.36
  6. Step 6: Final answer
    x = 1,759.01

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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.