Home / 3,045.24-4,196.34-2,112.12

Finding the Fourth Proportional to 3,045.24, 4,196.34 and 2,112.12

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Solution

The fourth proportional to 3,045.24, 4,196.34 and 2,112.12 is: 2,910.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,045.24 : 4,196.34 = 2,112.12 : x
  2. Step 2: Convert to fraction form
    3,045.24/4,196.34 = 2,112.12/x
  3. Step 3: Cross multiply
    3,045.24x = 4,196.34 × 2,112.12
  4. Step 4: Simplify right side
    3,045.24x = 8,863,173.64
  5. Step 5: Solve for x
    x = 8,863,173.64/3,045.24
  6. Step 6: Final answer
    x = 2,910.50

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Half scale
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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.