Home / 1,837.23-2,756.25-538.80

Finding the Fourth Proportional to 1,837.23, 2,756.25 and 538.80

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Solution

The fourth proportional to 1,837.23, 2,756.25 and 538.80 is: 808.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,837.23 : 2,756.25 = 538.80 : x
  2. Step 2: Convert to fraction form
    1,837.23/2,756.25 = 538.80/x
  3. Step 3: Cross multiply
    1,837.23x = 2,756.25 × 538.80
  4. Step 4: Simplify right side
    1,837.23x = 1,485,067.50
  5. Step 5: Solve for x
    x = 1,485,067.50/1,837.23
  6. Step 6: Final answer
    x = 808.32

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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.