Home / 3,818.43-5,720.46-2,994.20

Finding the Fourth Proportional to 3,818.43, 5,720.46 and 2,994.20

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Solution

The fourth proportional to 3,818.43, 5,720.46 and 2,994.20 is: 4,485.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,818.43 : 5,720.46 = 2,994.20 : x
  2. Step 2: Convert to fraction form
    3,818.43/5,720.46 = 2,994.20/x
  3. Step 3: Cross multiply
    3,818.43x = 5,720.46 × 2,994.20
  4. Step 4: Simplify right side
    3,818.43x = 17,128,201.33
  5. Step 5: Solve for x
    x = 17,128,201.33/3,818.43
  6. Step 6: Final answer
    x = 4,485.67

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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.