Home / 2,136.32-3,204.48-1,702.88

Finding the Fourth Proportional to 2,136.32, 3,204.48 and 1,702.88

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Solution

The fourth proportional to 2,136.32, 3,204.48 and 1,702.88 is: 2,554.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,136.32 : 3,204.48 = 1,702.88 : x
  2. Step 2: Convert to fraction form
    2,136.32/3,204.48 = 1,702.88/x
  3. Step 3: Cross multiply
    2,136.32x = 3,204.48 × 1,702.88
  4. Step 4: Simplify right side
    2,136.32x = 5,456,844.90
  5. Step 5: Solve for x
    x = 5,456,844.90/2,136.32
  6. Step 6: Final answer
    x = 2,554.32

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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.