Home / 3,924.55-5,887.43-1,326.88

Finding the Fourth Proportional to 3,924.55, 5,887.43 and 1,326.88

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Solution

The fourth proportional to 3,924.55, 5,887.43 and 1,326.88 is: 1,990.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,924.55 : 5,887.43 = 1,326.88 : x
  2. Step 2: Convert to fraction form
    3,924.55/5,887.43 = 1,326.88/x
  3. Step 3: Cross multiply
    3,924.55x = 5,887.43 × 1,326.88
  4. Step 4: Simplify right side
    3,924.55x = 7,811,877.05
  5. Step 5: Solve for x
    x = 7,811,877.05/3,924.55
  6. Step 6: Final answer
    x = 1,990.52

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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.