Home / 1,824.39-2,730.11-1,331.37

Finding the Fourth Proportional to 1,824.39, 2,730.11 and 1,331.37

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Solution

The fourth proportional to 1,824.39, 2,730.11 and 1,331.37 is: 1,992.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,824.39 : 2,730.11 = 1,331.37 : x
  2. Step 2: Convert to fraction form
    1,824.39/2,730.11 = 1,331.37/x
  3. Step 3: Cross multiply
    1,824.39x = 2,730.11 × 1,331.37
  4. Step 4: Simplify right side
    1,824.39x = 3,634,779.89
  5. Step 5: Solve for x
    x = 3,634,779.89/1,824.39
  6. Step 6: Final answer
    x = 1,992.33

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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.