Home / 3,631.54-5,447.01-1,165.70

Finding the Fourth Proportional to 3,631.54, 5,447.01 and 1,165.70

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Solution

The fourth proportional to 3,631.54, 5,447.01 and 1,165.70 is: 1,748.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,631.54 : 5,447.01 = 1,165.70 : x
  2. Step 2: Convert to fraction form
    3,631.54/5,447.01 = 1,165.70/x
  3. Step 3: Cross multiply
    3,631.54x = 5,447.01 × 1,165.70
  4. Step 4: Simplify right side
    3,631.54x = 6,349,579.56
  5. Step 5: Solve for x
    x = 6,349,579.56/3,631.54
  6. Step 6: Final answer
    x = 1,748.45

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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.