Home / 2,521.22-3,784.55-2,133.02

Finding the Fourth Proportional to 2,521.22, 3,784.55 and 2,133.02

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Solution

The fourth proportional to 2,521.22, 3,784.55 and 2,133.02 is: 3,201.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,521.22 : 3,784.55 = 2,133.02 : x
  2. Step 2: Convert to fraction form
    2,521.22/3,784.55 = 2,133.02/x
  3. Step 3: Cross multiply
    2,521.22x = 3,784.55 × 2,133.02
  4. Step 4: Simplify right side
    2,521.22x = 8,072,519.64
  5. Step 5: Solve for x
    x = 8,072,519.64/2,521.22
  6. Step 6: Final answer
    x = 3,201.84

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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.