Home / 1,837.14-2,755.80-538.50

Finding the Fourth Proportional to 1,837.14, 2,755.80 and 538.50

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Solution

The fourth proportional to 1,837.14, 2,755.80 and 538.50 is: 807.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,837.14 : 2,755.80 = 538.50 : x
  2. Step 2: Convert to fraction form
    1,837.14/2,755.80 = 538.50/x
  3. Step 3: Cross multiply
    1,837.14x = 2,755.80 × 538.50
  4. Step 4: Simplify right side
    1,837.14x = 1,483,998.30
  5. Step 5: Solve for x
    x = 1,483,998.30/1,837.14
  6. Step 6: Final answer
    x = 807.78

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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.