Home / 3,194.16-4,788.90-2,151.56

Finding the Fourth Proportional to 3,194.16, 4,788.90 and 2,151.56

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Solution

The fourth proportional to 3,194.16, 4,788.90 and 2,151.56 is: 3,225.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,194.16 : 4,788.90 = 2,151.56 : x
  2. Step 2: Convert to fraction form
    3,194.16/4,788.90 = 2,151.56/x
  3. Step 3: Cross multiply
    3,194.16x = 4,788.90 × 2,151.56
  4. Step 4: Simplify right side
    3,194.16x = 10,303,581.74
  5. Step 5: Solve for x
    x = 10,303,581.74/3,194.16
  6. Step 6: Final answer
    x = 3,225.76

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1.5x scale

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.