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Finding the Fourth Proportional to 3,637.09, 5,019.09 and 2,043.79

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Solution

The fourth proportional to 3,637.09, 5,019.09 and 2,043.79 is: 2,820.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,637.09 : 5,019.09 = 2,043.79 : x
  2. Step 2: Convert to fraction form
    3,637.09/5,019.09 = 2,043.79/x
  3. Step 3: Cross multiply
    3,637.09x = 5,019.09 × 2,043.79
  4. Step 4: Simplify right side
    3,637.09x = 10,257,965.95
  5. Step 5: Solve for x
    x = 10,257,965.95/3,637.09
  6. Step 6: Final answer
    x = 2,820.38

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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.