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Finding the Fourth Proportional to 3,604.47, 5,399.49 and 1,653.99

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Solution

The fourth proportional to 3,604.47, 5,399.49 and 1,653.99 is: 2,477.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,604.47 : 5,399.49 = 1,653.99 : x
  2. Step 2: Convert to fraction form
    3,604.47/5,399.49 = 1,653.99/x
  3. Step 3: Cross multiply
    3,604.47x = 5,399.49 × 1,653.99
  4. Step 4: Simplify right side
    3,604.47x = 8,930,702.47
  5. Step 5: Solve for x
    x = 8,930,702.47/3,604.47
  6. Step 6: Final answer
    x = 2,477.67

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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.