Home / 3,214.67-4,428.32-2,741.03

Finding the Fourth Proportional to 3,214.67, 4,428.32 and 2,741.03

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Solution

The fourth proportional to 3,214.67, 4,428.32 and 2,741.03 is: 3,775.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,214.67 : 4,428.32 = 2,741.03 : x
  2. Step 2: Convert to fraction form
    3,214.67/4,428.32 = 2,741.03/x
  3. Step 3: Cross multiply
    3,214.67x = 4,428.32 × 2,741.03
  4. Step 4: Simplify right side
    3,214.67x = 12,138,122.12
  5. Step 5: Solve for x
    x = 12,138,122.12/3,214.67
  6. Step 6: Final answer
    x = 3,775.86

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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.