Home / 3,288.09-4,935.41-1,440.48

Finding the Fourth Proportional to 3,288.09, 4,935.41 and 1,440.48

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Solution

The fourth proportional to 3,288.09, 4,935.41 and 1,440.48 is: 2,162.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,288.09 : 4,935.41 = 1,440.48 : x
  2. Step 2: Convert to fraction form
    3,288.09/4,935.41 = 1,440.48/x
  3. Step 3: Cross multiply
    3,288.09x = 4,935.41 × 1,440.48
  4. Step 4: Simplify right side
    3,288.09x = 7,109,359.40
  5. Step 5: Solve for x
    x = 7,109,359.40/3,288.09
  6. Step 6: Final answer
    x = 2,162.15

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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.