Home / 3,660.71-5,051.85-2,168.09

Finding the Fourth Proportional to 3,660.71, 5,051.85 and 2,168.09

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Solution

The fourth proportional to 3,660.71, 5,051.85 and 2,168.09 is: 2,992.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,660.71 : 5,051.85 = 2,168.09 : x
  2. Step 2: Convert to fraction form
    3,660.71/5,051.85 = 2,168.09/x
  3. Step 3: Cross multiply
    3,660.71x = 5,051.85 × 2,168.09
  4. Step 4: Simplify right side
    3,660.71x = 10,952,840.21
  5. Step 5: Solve for x
    x = 10,952,840.21/3,660.71
  6. Step 6: Final answer
    x = 2,992.00

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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.