Home / 3,316.72-4,576.36-2,137.60

Finding the Fourth Proportional to 3,316.72, 4,576.36 and 2,137.60

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Solution

The fourth proportional to 3,316.72, 4,576.36 and 2,137.60 is: 2,949.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,316.72 : 4,576.36 = 2,137.60 : x
  2. Step 2: Convert to fraction form
    3,316.72/4,576.36 = 2,137.60/x
  3. Step 3: Cross multiply
    3,316.72x = 4,576.36 × 2,137.60
  4. Step 4: Simplify right side
    3,316.72x = 9,782,427.14
  5. Step 5: Solve for x
    x = 9,782,427.14/3,316.72
  6. Step 6: Final answer
    x = 2,949.43

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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.