Home / 3,134.80-4,702.24-2,160.64

Finding the Fourth Proportional to 3,134.80, 4,702.24 and 2,160.64

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Solution

The fourth proportional to 3,134.80, 4,702.24 and 2,160.64 is: 3,240.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,134.80 : 4,702.24 = 2,160.64 : x
  2. Step 2: Convert to fraction form
    3,134.80/4,702.24 = 2,160.64/x
  3. Step 3: Cross multiply
    3,134.80x = 4,702.24 × 2,160.64
  4. Step 4: Simplify right side
    3,134.80x = 10,159,847.83
  5. Step 5: Solve for x
    x = 10,159,847.83/3,134.80
  6. Step 6: Final answer
    x = 3,240.99

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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.