Home / 3,682.61-5,078.18-2,843.45

Finding the Fourth Proportional to 3,682.61, 5,078.18 and 2,843.45

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Solution

The fourth proportional to 3,682.61, 5,078.18 and 2,843.45 is: 3,921.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,682.61 : 5,078.18 = 2,843.45 : x
  2. Step 2: Convert to fraction form
    3,682.61/5,078.18 = 2,843.45/x
  3. Step 3: Cross multiply
    3,682.61x = 5,078.18 × 2,843.45
  4. Step 4: Simplify right side
    3,682.61x = 14,439,532.64
  5. Step 5: Solve for x
    x = 14,439,532.64/3,682.61
  6. Step 6: Final answer
    x = 3,921.01

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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.