Home / 3,077.36-4,609.16-1,431.44

Finding the Fourth Proportional to 3,077.36, 4,609.16 and 1,431.44

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Solution

The fourth proportional to 3,077.36, 4,609.16 and 1,431.44 is: 2,143.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,077.36 : 4,609.16 = 1,431.44 : x
  2. Step 2: Convert to fraction form
    3,077.36/4,609.16 = 1,431.44/x
  3. Step 3: Cross multiply
    3,077.36x = 4,609.16 × 1,431.44
  4. Step 4: Simplify right side
    3,077.36x = 6,597,728.83
  5. Step 5: Solve for x
    x = 6,597,728.83/3,077.36
  6. Step 6: Final answer
    x = 2,143.96

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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.