Home / 3,511.21-4,851.89-3,340.37

Finding the Fourth Proportional to 3,511.21, 4,851.89 and 3,340.37

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Solution

The fourth proportional to 3,511.21, 4,851.89 and 3,340.37 is: 4,615.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,511.21 : 4,851.89 = 3,340.37 : x
  2. Step 2: Convert to fraction form
    3,511.21/4,851.89 = 3,340.37/x
  3. Step 3: Cross multiply
    3,511.21x = 4,851.89 × 3,340.37
  4. Step 4: Simplify right side
    3,511.21x = 16,207,091.10
  5. Step 5: Solve for x
    x = 16,207,091.10/3,511.21
  6. Step 6: Final answer
    x = 4,615.81

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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.