Home / 3,461.19-5,191.79-2,772.24

Finding the Fourth Proportional to 3,461.19, 5,191.79 and 2,772.24

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Solution

The fourth proportional to 3,461.19, 5,191.79 and 2,772.24 is: 4,158.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,461.19 : 5,191.79 = 2,772.24 : x
  2. Step 2: Convert to fraction form
    3,461.19/5,191.79 = 2,772.24/x
  3. Step 3: Cross multiply
    3,461.19x = 5,191.79 × 2,772.24
  4. Step 4: Simplify right side
    3,461.19x = 14,392,874.05
  5. Step 5: Solve for x
    x = 14,392,874.05/3,461.19
  6. Step 6: Final answer
    x = 4,158.36

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.