Home / 3,054.23-4,217.78-2,112.41

Finding the Fourth Proportional to 3,054.23, 4,217.78 and 2,112.41

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Solution

The fourth proportional to 3,054.23, 4,217.78 and 2,112.41 is: 2,917.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,054.23 : 4,217.78 = 2,112.41 : x
  2. Step 2: Convert to fraction form
    3,054.23/4,217.78 = 2,112.41/x
  3. Step 3: Cross multiply
    3,054.23x = 4,217.78 × 2,112.41
  4. Step 4: Simplify right side
    3,054.23x = 8,909,680.65
  5. Step 5: Solve for x
    x = 8,909,680.65/3,054.23
  6. Step 6: Final answer
    x = 2,917.16

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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.