Home / 1,892.03-2,837.90-505.44

Finding the Fourth Proportional to 1,892.03, 2,837.90 and 505.44

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Solution

The fourth proportional to 1,892.03, 2,837.90 and 505.44 is: 758.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,892.03 : 2,837.90 = 505.44 : x
  2. Step 2: Convert to fraction form
    1,892.03/2,837.90 = 505.44/x
  3. Step 3: Cross multiply
    1,892.03x = 2,837.90 × 505.44
  4. Step 4: Simplify right side
    1,892.03x = 1,434,389.44
  5. Step 5: Solve for x
    x = 1,434,389.44/1,892.03
  6. Step 6: Final answer
    x = 758.12

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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.