Home / 3,039.86-4,194.96-1,713.69

Finding the Fourth Proportional to 3,039.86, 4,194.96 and 1,713.69

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Solution

The fourth proportional to 3,039.86, 4,194.96 and 1,713.69 is: 2,364.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,039.86 : 4,194.96 = 1,713.69 : x
  2. Step 2: Convert to fraction form
    3,039.86/4,194.96 = 1,713.69/x
  3. Step 3: Cross multiply
    3,039.86x = 4,194.96 × 1,713.69
  4. Step 4: Simplify right side
    3,039.86x = 7,188,861.00
  5. Step 5: Solve for x
    x = 7,188,861.00/3,039.86
  6. Step 6: Final answer
    x = 2,364.87

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1.5x scale

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.