Home / 2,628.69-3,938.26-1,529.73

Finding the Fourth Proportional to 2,628.69, 3,938.26 and 1,529.73

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Solution

The fourth proportional to 2,628.69, 3,938.26 and 1,529.73 is: 2,291.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,628.69 : 3,938.26 = 1,529.73 : x
  2. Step 2: Convert to fraction form
    2,628.69/3,938.26 = 1,529.73/x
  3. Step 3: Cross multiply
    2,628.69x = 3,938.26 × 1,529.73
  4. Step 4: Simplify right side
    2,628.69x = 6,024,447.13
  5. Step 5: Solve for x
    x = 6,024,447.13/2,628.69
  6. Step 6: Final answer
    x = 2,291.81

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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.