Home / 1,327.32-1,985.97-1,192.59

Finding the Fourth Proportional to 1,327.32, 1,985.97 and 1,192.59

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Solution

The fourth proportional to 1,327.32, 1,985.97 and 1,192.59 is: 1,784.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,327.32 : 1,985.97 = 1,192.59 : x
  2. Step 2: Convert to fraction form
    1,327.32/1,985.97 = 1,192.59/x
  3. Step 3: Cross multiply
    1,327.32x = 1,985.97 × 1,192.59
  4. Step 4: Simplify right side
    1,327.32x = 2,368,447.96
  5. Step 5: Solve for x
    x = 2,368,447.96/1,327.32
  6. Step 6: Final answer
    x = 1,784.38

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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.