Home / 4,193.87-6,290.81-1,971.07

Finding the Fourth Proportional to 4,193.87, 6,290.81 and 1,971.07

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Solution

The fourth proportional to 4,193.87, 6,290.81 and 1,971.07 is: 2,956.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,193.87 : 6,290.81 = 1,971.07 : x
  2. Step 2: Convert to fraction form
    4,193.87/6,290.81 = 1,971.07/x
  3. Step 3: Cross multiply
    4,193.87x = 6,290.81 × 1,971.07
  4. Step 4: Simplify right side
    4,193.87x = 12,399,644.06
  5. Step 5: Solve for x
    x = 12,399,644.06/4,193.87
  6. Step 6: Final answer
    x = 2,956.61

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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.