Home / 3,493.20-4,820.40-2,096.72

Finding the Fourth Proportional to 3,493.20, 4,820.40 and 2,096.72

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Solution

The fourth proportional to 3,493.20, 4,820.40 and 2,096.72 is: 2,893.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,493.20 : 4,820.40 = 2,096.72 : x
  2. Step 2: Convert to fraction form
    3,493.20/4,820.40 = 2,096.72/x
  3. Step 3: Cross multiply
    3,493.20x = 4,820.40 × 2,096.72
  4. Step 4: Simplify right side
    3,493.20x = 10,107,029.09
  5. Step 5: Solve for x
    x = 10,107,029.09/3,493.20
  6. Step 6: Final answer
    x = 2,893.34

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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.