Home / 3,370.37-4,650.87-2,111.37

Finding the Fourth Proportional to 3,370.37, 4,650.87 and 2,111.37

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Solution

The fourth proportional to 3,370.37, 4,650.87 and 2,111.37 is: 2,913.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,370.37 : 4,650.87 = 2,111.37 : x
  2. Step 2: Convert to fraction form
    3,370.37/4,650.87 = 2,111.37/x
  3. Step 3: Cross multiply
    3,370.37x = 4,650.87 × 2,111.37
  4. Step 4: Simplify right side
    3,370.37x = 9,819,684.14
  5. Step 5: Solve for x
    x = 9,819,684.14/3,370.37
  6. Step 6: Final answer
    x = 2,913.54

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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.