Home / 3,231.03-4,458.83-2,113.86

Finding the Fourth Proportional to 3,231.03, 4,458.83 and 2,113.86

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Solution

The fourth proportional to 3,231.03, 4,458.83 and 2,113.86 is: 2,917.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,231.03 : 4,458.83 = 2,113.86 : x
  2. Step 2: Convert to fraction form
    3,231.03/4,458.83 = 2,113.86/x
  3. Step 3: Cross multiply
    3,231.03x = 4,458.83 × 2,113.86
  4. Step 4: Simplify right side
    3,231.03x = 9,425,331.81
  5. Step 5: Solve for x
    x = 9,425,331.81/3,231.03
  6. Step 6: Final answer
    x = 2,917.13

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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.