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Finding the Fourth Proportional to 3,735.79, 5,604.09 and 1,396.91

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Solution

The fourth proportional to 3,735.79, 5,604.09 and 1,396.91 is: 2,095.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,735.79 : 5,604.09 = 1,396.91 : x
  2. Step 2: Convert to fraction form
    3,735.79/5,604.09 = 1,396.91/x
  3. Step 3: Cross multiply
    3,735.79x = 5,604.09 × 1,396.91
  4. Step 4: Simplify right side
    3,735.79x = 7,828,418.13
  5. Step 5: Solve for x
    x = 7,828,418.13/3,735.79
  6. Step 6: Final answer
    x = 2,095.52

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1.5x scale

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.