Home / 3,616.37-4,986.09-3,047.75

Finding the Fourth Proportional to 3,616.37, 4,986.09 and 3,047.75

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Solution

The fourth proportional to 3,616.37, 4,986.09 and 3,047.75 is: 4,202.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,616.37 : 4,986.09 = 3,047.75 : x
  2. Step 2: Convert to fraction form
    3,616.37/4,986.09 = 3,047.75/x
  3. Step 3: Cross multiply
    3,616.37x = 4,986.09 × 3,047.75
  4. Step 4: Simplify right side
    3,616.37x = 15,196,330.87
  5. Step 5: Solve for x
    x = 15,196,330.87/3,616.37
  6. Step 6: Final answer
    x = 4,202.10

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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.