Home / 3,377.20-4,661.32-2,196.22

Finding the Fourth Proportional to 3,377.20, 4,661.32 and 2,196.22

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Solution

The fourth proportional to 3,377.20, 4,661.32 and 2,196.22 is: 3,031.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,377.20 : 4,661.32 = 2,196.22 : x
  2. Step 2: Convert to fraction form
    3,377.20/4,661.32 = 2,196.22/x
  3. Step 3: Cross multiply
    3,377.20x = 4,661.32 × 2,196.22
  4. Step 4: Simplify right side
    3,377.20x = 10,237,284.21
  5. Step 5: Solve for x
    x = 10,237,284.21/3,377.20
  6. Step 6: Final answer
    x = 3,031.29

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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.