Home / 3,346.25-4,619.97-2,151.74

Finding the Fourth Proportional to 3,346.25, 4,619.97 and 2,151.74

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Solution

The fourth proportional to 3,346.25, 4,619.97 and 2,151.74 is: 2,970.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,346.25 : 4,619.97 = 2,151.74 : x
  2. Step 2: Convert to fraction form
    3,346.25/4,619.97 = 2,151.74/x
  3. Step 3: Cross multiply
    3,346.25x = 4,619.97 × 2,151.74
  4. Step 4: Simplify right side
    3,346.25x = 9,940,985.80
  5. Step 5: Solve for x
    x = 9,940,985.80/3,346.25
  6. Step 6: Final answer
    x = 2,970.79

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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.