Home / 3,786.52-5,225.40-2,108.08

Finding the Fourth Proportional to 3,786.52, 5,225.40 and 2,108.08

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Solution

The fourth proportional to 3,786.52, 5,225.40 and 2,108.08 is: 2,909.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,786.52 : 5,225.40 = 2,108.08 : x
  2. Step 2: Convert to fraction form
    3,786.52/5,225.40 = 2,108.08/x
  3. Step 3: Cross multiply
    3,786.52x = 5,225.40 × 2,108.08
  4. Step 4: Simplify right side
    3,786.52x = 11,015,561.23
  5. Step 5: Solve for x
    x = 11,015,561.23/3,786.52
  6. Step 6: Final answer
    x = 2,909.15

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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.