Home / 2,868.80-4,302.73-2,682.01

Finding the Fourth Proportional to 2,868.80, 4,302.73 and 2,682.01

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Solution

The fourth proportional to 2,868.80, 4,302.73 and 2,682.01 is: 4,022.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,868.80 : 4,302.73 = 2,682.01 : x
  2. Step 2: Convert to fraction form
    2,868.80/4,302.73 = 2,682.01/x
  3. Step 3: Cross multiply
    2,868.80x = 4,302.73 × 2,682.01
  4. Step 4: Simplify right side
    2,868.80x = 11,539,929.96
  5. Step 5: Solve for x
    x = 11,539,929.96/2,868.80
  6. Step 6: Final answer
    x = 4,022.56

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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.