Home / 3,644.18-5,464.34-1,178.69

Finding the Fourth Proportional to 3,644.18, 5,464.34 and 1,178.69

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Solution

The fourth proportional to 3,644.18, 5,464.34 and 1,178.69 is: 1,767.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,644.18 : 5,464.34 = 1,178.69 : x
  2. Step 2: Convert to fraction form
    3,644.18/5,464.34 = 1,178.69/x
  3. Step 3: Cross multiply
    3,644.18x = 5,464.34 × 1,178.69
  4. Step 4: Simplify right side
    3,644.18x = 6,440,729.70
  5. Step 5: Solve for x
    x = 6,440,729.70/3,644.18
  6. Step 6: Final answer
    x = 1,767.40

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.