Home / 4,193.86-6,287.79-1,971.45

Finding the Fourth Proportional to 4,193.86, 6,287.79 and 1,971.45

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Solution

The fourth proportional to 4,193.86, 6,287.79 and 1,971.45 is: 2,955.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,193.86 : 6,287.79 = 1,971.45 : x
  2. Step 2: Convert to fraction form
    4,193.86/6,287.79 = 1,971.45/x
  3. Step 3: Cross multiply
    4,193.86x = 6,287.79 × 1,971.45
  4. Step 4: Simplify right side
    4,193.86x = 12,396,063.60
  5. Step 5: Solve for x
    x = 12,396,063.60/4,193.86
  6. Step 6: Final answer
    x = 2,955.76

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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.