Home / 3,661.07-5,050.26-2,168.69

Finding the Fourth Proportional to 3,661.07, 5,050.26 and 2,168.69

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Solution

The fourth proportional to 3,661.07, 5,050.26 and 2,168.69 is: 2,991.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,661.07 : 5,050.26 = 2,168.69 : x
  2. Step 2: Convert to fraction form
    3,661.07/5,050.26 = 2,168.69/x
  3. Step 3: Cross multiply
    3,661.07x = 5,050.26 × 2,168.69
  4. Step 4: Simplify right side
    3,661.07x = 10,952,423.11
  5. Step 5: Solve for x
    x = 10,952,423.11/3,661.07
  6. Step 6: Final answer
    x = 2,991.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.