Home / 2,093.02-3,136.04-921.28

Finding the Fourth Proportional to 2,093.02, 3,136.04 and 921.28

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Solution

The fourth proportional to 2,093.02, 3,136.04 and 921.28 is: 1,380.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,093.02 : 3,136.04 = 921.28 : x
  2. Step 2: Convert to fraction form
    2,093.02/3,136.04 = 921.28/x
  3. Step 3: Cross multiply
    2,093.02x = 3,136.04 × 921.28
  4. Step 4: Simplify right side
    2,093.02x = 2,889,170.93
  5. Step 5: Solve for x
    x = 2,889,170.93/2,093.02
  6. Step 6: Final answer
    x = 1,380.38

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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.