Home / 2,090.28-3,136.45-1,477.92

Finding the Fourth Proportional to 2,090.28, 3,136.45 and 1,477.92

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Solution

The fourth proportional to 2,090.28, 3,136.45 and 1,477.92 is: 2,217.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,090.28 : 3,136.45 = 1,477.92 : x
  2. Step 2: Convert to fraction form
    2,090.28/3,136.45 = 1,477.92/x
  3. Step 3: Cross multiply
    2,090.28x = 3,136.45 × 1,477.92
  4. Step 4: Simplify right side
    2,090.28x = 4,635,422.18
  5. Step 5: Solve for x
    x = 4,635,422.18/2,090.28
  6. Step 6: Final answer
    x = 2,217.61

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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.