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Finding the Fourth Proportional to 2,139.58, 3,209.55 and 600.58

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Solution

The fourth proportional to 2,139.58, 3,209.55 and 600.58 is: 900.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,139.58 : 3,209.55 = 600.58 : x
  2. Step 2: Convert to fraction form
    2,139.58/3,209.55 = 600.58/x
  3. Step 3: Cross multiply
    2,139.58x = 3,209.55 × 600.58
  4. Step 4: Simplify right side
    2,139.58x = 1,927,591.54
  5. Step 5: Solve for x
    x = 1,927,591.54/2,139.58
  6. Step 6: Final answer
    x = 900.92

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.