Home / 1,837.82-2,538.39-1,339.66

Finding the Fourth Proportional to 1,837.82, 2,538.39 and 1,339.66

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Solution

The fourth proportional to 1,837.82, 2,538.39 and 1,339.66 is: 1,850.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,837.82 : 2,538.39 = 1,339.66 : x
  2. Step 2: Convert to fraction form
    1,837.82/2,538.39 = 1,339.66/x
  3. Step 3: Cross multiply
    1,837.82x = 2,538.39 × 1,339.66
  4. Step 4: Simplify right side
    1,837.82x = 3,400,579.55
  5. Step 5: Solve for x
    x = 3,400,579.55/1,837.82
  6. Step 6: Final answer
    x = 1,850.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.