Home / 3,096.86-4,274.50-1,917.26

Finding the Fourth Proportional to 3,096.86, 4,274.50 and 1,917.26

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Solution

The fourth proportional to 3,096.86, 4,274.50 and 1,917.26 is: 2,646.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,096.86 : 4,274.50 = 1,917.26 : x
  2. Step 2: Convert to fraction form
    3,096.86/4,274.50 = 1,917.26/x
  3. Step 3: Cross multiply
    3,096.86x = 4,274.50 × 1,917.26
  4. Step 4: Simplify right side
    3,096.86x = 8,195,327.87
  5. Step 5: Solve for x
    x = 8,195,327.87/3,096.86
  6. Step 6: Final answer
    x = 2,646.33

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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.