Home / 3,195.86-4,410.69-1,937.12

Finding the Fourth Proportional to 3,195.86, 4,410.69 and 1,937.12

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Solution

The fourth proportional to 3,195.86, 4,410.69 and 1,937.12 is: 2,673.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,195.86 : 4,410.69 = 1,937.12 : x
  2. Step 2: Convert to fraction form
    3,195.86/4,410.69 = 1,937.12/x
  3. Step 3: Cross multiply
    3,195.86x = 4,410.69 × 1,937.12
  4. Step 4: Simplify right side
    3,195.86x = 8,544,035.81
  5. Step 5: Solve for x
    x = 8,544,035.81/3,195.86
  6. Step 6: Final answer
    x = 2,673.47

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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.