Home / 2,938.14-4,405.86-2,114.37

Finding the Fourth Proportional to 2,938.14, 4,405.86 and 2,114.37

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Solution

The fourth proportional to 2,938.14, 4,405.86 and 2,114.37 is: 3,170.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,938.14 : 4,405.86 = 2,114.37 : x
  2. Step 2: Convert to fraction form
    2,938.14/4,405.86 = 2,114.37/x
  3. Step 3: Cross multiply
    2,938.14x = 4,405.86 × 2,114.37
  4. Step 4: Simplify right side
    2,938.14x = 9,315,618.21
  5. Step 5: Solve for x
    x = 9,315,618.21/2,938.14
  6. Step 6: Final answer
    x = 3,170.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.