Home / 3,288.16-4,929.48-2,190.08

Finding the Fourth Proportional to 3,288.16, 4,929.48 and 2,190.08

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Solution

The fourth proportional to 3,288.16, 4,929.48 and 2,190.08 is: 3,283.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,288.16 : 4,929.48 = 2,190.08 : x
  2. Step 2: Convert to fraction form
    3,288.16/4,929.48 = 2,190.08/x
  3. Step 3: Cross multiply
    3,288.16x = 4,929.48 × 2,190.08
  4. Step 4: Simplify right side
    3,288.16x = 10,795,955.56
  5. Step 5: Solve for x
    x = 10,795,955.56/3,288.16
  6. Step 6: Final answer
    x = 3,283.28

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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.