Home / 2,628.24-3,935.88-2,114.16

Finding the Fourth Proportional to 2,628.24, 3,935.88 and 2,114.16

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Solution

The fourth proportional to 2,628.24, 3,935.88 and 2,114.16 is: 3,166.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,628.24 : 3,935.88 = 2,114.16 : x
  2. Step 2: Convert to fraction form
    2,628.24/3,935.88 = 2,114.16/x
  3. Step 3: Cross multiply
    2,628.24x = 3,935.88 × 2,114.16
  4. Step 4: Simplify right side
    2,628.24x = 8,321,080.06
  5. Step 5: Solve for x
    x = 8,321,080.06/2,628.24
  6. Step 6: Final answer
    x = 3,166.03

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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.