Home / 3,273.72-4,516.46-2,155.21

Finding the Fourth Proportional to 3,273.72, 4,516.46 and 2,155.21

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Solution

The fourth proportional to 3,273.72, 4,516.46 and 2,155.21 is: 2,973.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,273.72 : 4,516.46 = 2,155.21 : x
  2. Step 2: Convert to fraction form
    3,273.72/4,516.46 = 2,155.21/x
  3. Step 3: Cross multiply
    3,273.72x = 4,516.46 × 2,155.21
  4. Step 4: Simplify right side
    3,273.72x = 9,733,905.77
  5. Step 5: Solve for x
    x = 9,733,905.77/3,273.72
  6. Step 6: Final answer
    x = 2,973.35

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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.