Home / 2,865.78-4,293.06-1,629.48

Finding the Fourth Proportional to 2,865.78, 4,293.06 and 1,629.48

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Solution

The fourth proportional to 2,865.78, 4,293.06 and 1,629.48 is: 2,441.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,865.78 : 4,293.06 = 1,629.48 : x
  2. Step 2: Convert to fraction form
    2,865.78/4,293.06 = 1,629.48/x
  3. Step 3: Cross multiply
    2,865.78x = 4,293.06 × 1,629.48
  4. Step 4: Simplify right side
    2,865.78x = 6,995,455.41
  5. Step 5: Solve for x
    x = 6,995,455.41/2,865.78
  6. Step 6: Final answer
    x = 2,441.03

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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.