Home / 3,738.15-5,606.61-1,272.91

Finding the Fourth Proportional to 3,738.15, 5,606.61 and 1,272.91

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Solution

The fourth proportional to 3,738.15, 5,606.61 and 1,272.91 is: 1,909.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,738.15 : 5,606.61 = 1,272.91 : x
  2. Step 2: Convert to fraction form
    3,738.15/5,606.61 = 1,272.91/x
  3. Step 3: Cross multiply
    3,738.15x = 5,606.61 × 1,272.91
  4. Step 4: Simplify right side
    3,738.15x = 7,136,709.94
  5. Step 5: Solve for x
    x = 7,136,709.94/3,738.15
  6. Step 6: Final answer
    x = 1,909.16

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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.