Home / 3,145.44-4,717.20-2,055.60

Finding the Fourth Proportional to 3,145.44, 4,717.20 and 2,055.60

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Solution

The fourth proportional to 3,145.44, 4,717.20 and 2,055.60 is: 3,082.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,145.44 : 4,717.20 = 2,055.60 : x
  2. Step 2: Convert to fraction form
    3,145.44/4,717.20 = 2,055.60/x
  3. Step 3: Cross multiply
    3,145.44x = 4,717.20 × 2,055.60
  4. Step 4: Simplify right side
    3,145.44x = 9,696,676.32
  5. Step 5: Solve for x
    x = 9,696,676.32/3,145.44
  6. Step 6: Final answer
    x = 3,082.77

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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.