Home / 3,288.06-4,927.05-1,969.20

Finding the Fourth Proportional to 3,288.06, 4,927.05 and 1,969.20

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Solution

The fourth proportional to 3,288.06, 4,927.05 and 1,969.20 is: 2,950.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,288.06 : 4,927.05 = 1,969.20 : x
  2. Step 2: Convert to fraction form
    3,288.06/4,927.05 = 1,969.20/x
  3. Step 3: Cross multiply
    3,288.06x = 4,927.05 × 1,969.20
  4. Step 4: Simplify right side
    3,288.06x = 9,702,346.86
  5. Step 5: Solve for x
    x = 9,702,346.86/3,288.06
  6. Step 6: Final answer
    x = 2,950.78

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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.