Home / 3,231.85-4,459.82-1,975.01

Finding the Fourth Proportional to 3,231.85, 4,459.82 and 1,975.01

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Solution

The fourth proportional to 3,231.85, 4,459.82 and 1,975.01 is: 2,725.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,231.85 : 4,459.82 = 1,975.01 : x
  2. Step 2: Convert to fraction form
    3,231.85/4,459.82 = 1,975.01/x
  3. Step 3: Cross multiply
    3,231.85x = 4,459.82 × 1,975.01
  4. Step 4: Simplify right side
    3,231.85x = 8,808,166.80
  5. Step 5: Solve for x
    x = 8,808,166.80/3,231.85
  6. Step 6: Final answer
    x = 2,725.43

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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.