Home / 3,672.06-5,509.85-3,188.49

Finding the Fourth Proportional to 3,672.06, 5,509.85 and 3,188.49

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Solution

The fourth proportional to 3,672.06, 5,509.85 and 3,188.49 is: 4,784.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,672.06 : 5,509.85 = 3,188.49 : x
  2. Step 2: Convert to fraction form
    3,672.06/5,509.85 = 3,188.49/x
  3. Step 3: Cross multiply
    3,672.06x = 5,509.85 × 3,188.49
  4. Step 4: Simplify right side
    3,672.06x = 17,568,085.68
  5. Step 5: Solve for x
    x = 17,568,085.68/3,672.06
  6. Step 6: Final answer
    x = 4,784.26

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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.