Home / 3,458.37-5,187.54-2,072.12

Finding the Fourth Proportional to 3,458.37, 5,187.54 and 2,072.12

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Solution

The fourth proportional to 3,458.37, 5,187.54 and 2,072.12 is: 3,108.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,458.37 : 5,187.54 = 2,072.12 : x
  2. Step 2: Convert to fraction form
    3,458.37/5,187.54 = 2,072.12/x
  3. Step 3: Cross multiply
    3,458.37x = 5,187.54 × 2,072.12
  4. Step 4: Simplify right side
    3,458.37x = 10,749,195.02
  5. Step 5: Solve for x
    x = 10,749,195.02/3,458.37
  6. Step 6: Final answer
    x = 3,108.17

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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.