Home / 2,629.65-3,944.48-1,330.95

Finding the Fourth Proportional to 2,629.65, 3,944.48 and 1,330.95

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Solution

The fourth proportional to 2,629.65, 3,944.48 and 1,330.95 is: 1,996.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,629.65 : 3,944.48 = 1,330.95 : x
  2. Step 2: Convert to fraction form
    2,629.65/3,944.48 = 1,330.95/x
  3. Step 3: Cross multiply
    2,629.65x = 3,944.48 × 1,330.95
  4. Step 4: Simplify right side
    2,629.65x = 5,249,899.00
  5. Step 5: Solve for x
    x = 5,249,899.00/2,629.65
  6. Step 6: Final answer
    x = 1,996.43

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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.