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Finding the Fourth Proportional to 2,139.08, 3,208.80 and 600.08

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Solution

The fourth proportional to 2,139.08, 3,208.80 and 600.08 is: 900.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,139.08 : 3,208.80 = 600.08 : x
  2. Step 2: Convert to fraction form
    2,139.08/3,208.80 = 600.08/x
  3. Step 3: Cross multiply
    2,139.08x = 3,208.80 × 600.08
  4. Step 4: Simplify right side
    2,139.08x = 1,925,536.70
  5. Step 5: Solve for x
    x = 1,925,536.70/2,139.08
  6. Step 6: Final answer
    x = 900.17

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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.