Home / 3,579.76-5,369.40-1,631.44

Finding the Fourth Proportional to 3,579.76, 5,369.40 and 1,631.44

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Solution

The fourth proportional to 3,579.76, 5,369.40 and 1,631.44 is: 2,447.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,579.76 : 5,369.40 = 1,631.44 : x
  2. Step 2: Convert to fraction form
    3,579.76/5,369.40 = 1,631.44/x
  3. Step 3: Cross multiply
    3,579.76x = 5,369.40 × 1,631.44
  4. Step 4: Simplify right side
    3,579.76x = 8,759,853.94
  5. Step 5: Solve for x
    x = 8,759,853.94/3,579.76
  6. Step 6: Final answer
    x = 2,447.05

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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.