Home / 1,837.28-2,755.97-538.75

Finding the Fourth Proportional to 1,837.28, 2,755.97 and 538.75

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Solution

The fourth proportional to 1,837.28, 2,755.97 and 538.75 is: 808.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,837.28 : 2,755.97 = 538.75 : x
  2. Step 2: Convert to fraction form
    1,837.28/2,755.97 = 538.75/x
  3. Step 3: Cross multiply
    1,837.28x = 2,755.97 × 538.75
  4. Step 4: Simplify right side
    1,837.28x = 1,484,783.03
  5. Step 5: Solve for x
    x = 1,484,783.03/1,837.28
  6. Step 6: Final answer
    x = 808.14

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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.