Home / 3,771.56-5,205.38-2,199.35

Finding the Fourth Proportional to 3,771.56, 5,205.38 and 2,199.35

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Solution

The fourth proportional to 3,771.56, 5,205.38 and 2,199.35 is: 3,035.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,771.56 : 5,205.38 = 2,199.35 : x
  2. Step 2: Convert to fraction form
    3,771.56/5,205.38 = 2,199.35/x
  3. Step 3: Cross multiply
    3,771.56x = 5,205.38 × 2,199.35
  4. Step 4: Simplify right side
    3,771.56x = 11,448,454.52
  5. Step 5: Solve for x
    x = 11,448,454.52/3,771.56
  6. Step 6: Final answer
    x = 3,035.47

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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.