Home / 3,644.34-5,465.80-1,178.56

Finding the Fourth Proportional to 3,644.34, 5,465.80 and 1,178.56

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Solution

The fourth proportional to 3,644.34, 5,465.80 and 1,178.56 is: 1,767.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,644.34 : 5,465.80 = 1,178.56 : x
  2. Step 2: Convert to fraction form
    3,644.34/5,465.80 = 1,178.56/x
  3. Step 3: Cross multiply
    3,644.34x = 5,465.80 × 1,178.56
  4. Step 4: Simplify right side
    3,644.34x = 6,441,773.25
  5. Step 5: Solve for x
    x = 6,441,773.25/3,644.34
  6. Step 6: Final answer
    x = 1,767.61

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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.