Home / 3,790.21-5,693.93-2,682.20

Finding the Fourth Proportional to 3,790.21, 5,693.93 and 2,682.20

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Solution

The fourth proportional to 3,790.21, 5,693.93 and 2,682.20 is: 4,029.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,790.21 : 5,693.93 = 2,682.20 : x
  2. Step 2: Convert to fraction form
    3,790.21/5,693.93 = 2,682.20/x
  3. Step 3: Cross multiply
    3,790.21x = 5,693.93 × 2,682.20
  4. Step 4: Simplify right side
    3,790.21x = 15,272,259.05
  5. Step 5: Solve for x
    x = 15,272,259.05/3,790.21
  6. Step 6: Final answer
    x = 4,029.40

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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.