Home / 3,644.64-5,466.72-1,697.28

Finding the Fourth Proportional to 3,644.64, 5,466.72 and 1,697.28

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Solution

The fourth proportional to 3,644.64, 5,466.72 and 1,697.28 is: 2,545.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,644.64 : 5,466.72 = 1,697.28 : x
  2. Step 2: Convert to fraction form
    3,644.64/5,466.72 = 1,697.28/x
  3. Step 3: Cross multiply
    3,644.64x = 5,466.72 × 1,697.28
  4. Step 4: Simplify right side
    3,644.64x = 9,278,554.52
  5. Step 5: Solve for x
    x = 9,278,554.52/3,644.64
  6. Step 6: Final answer
    x = 2,545.81

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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.