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Finding the Fourth Proportional to 2,805.35, 4,208.48 and 1,050.97

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Solution

The fourth proportional to 2,805.35, 4,208.48 and 1,050.97 is: 1,576.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,805.35 : 4,208.48 = 1,050.97 : x
  2. Step 2: Convert to fraction form
    2,805.35/4,208.48 = 1,050.97/x
  3. Step 3: Cross multiply
    2,805.35x = 4,208.48 × 1,050.97
  4. Step 4: Simplify right side
    2,805.35x = 4,422,986.23
  5. Step 5: Solve for x
    x = 4,422,986.23/2,805.35
  6. Step 6: Final answer
    x = 1,576.63

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1.5x scale

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.