Home / 3,299.84-4,946.20-1,653.12

Finding the Fourth Proportional to 3,299.84, 4,946.20 and 1,653.12

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Solution

The fourth proportional to 3,299.84, 4,946.20 and 1,653.12 is: 2,477.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,299.84 : 4,946.20 = 1,653.12 : x
  2. Step 2: Convert to fraction form
    3,299.84/4,946.20 = 1,653.12/x
  3. Step 3: Cross multiply
    3,299.84x = 4,946.20 × 1,653.12
  4. Step 4: Simplify right side
    3,299.84x = 8,176,662.14
  5. Step 5: Solve for x
    x = 8,176,662.14/3,299.84
  6. Step 6: Final answer
    x = 2,477.90

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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.