Home / 3,220.14-4,442-1,893.67

Finding the Fourth Proportional to 3,220.14, 4,442 and 1,893.67

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Solution

The fourth proportional to 3,220.14, 4,442 and 1,893.67 is: 2,612.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,220.14 : 4,442 = 1,893.67 : x
  2. Step 2: Convert to fraction form
    3,220.14/4,442 = 1,893.67/x
  3. Step 3: Cross multiply
    3,220.14x = 4,442 × 1,893.67
  4. Step 4: Simplify right side
    3,220.14x = 8,411,682.14
  5. Step 5: Solve for x
    x = 8,411,682.14/3,220.14
  6. Step 6: Final answer
    x = 2,612.21

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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.