Home / 3,346.23-4,619.96-2,151.75

Finding the Fourth Proportional to 3,346.23, 4,619.96 and 2,151.75

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Solution

The fourth proportional to 3,346.23, 4,619.96 and 2,151.75 is: 2,970.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,346.23 : 4,619.96 = 2,151.75 : x
  2. Step 2: Convert to fraction form
    3,346.23/4,619.96 = 2,151.75/x
  3. Step 3: Cross multiply
    3,346.23x = 4,619.96 × 2,151.75
  4. Step 4: Simplify right side
    3,346.23x = 9,940,998.93
  5. Step 5: Solve for x
    x = 9,940,998.93/3,346.23
  6. Step 6: Final answer
    x = 2,970.81

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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.