Home / 2,805.45-4,208.29-1,050.28

Finding the Fourth Proportional to 2,805.45, 4,208.29 and 1,050.28

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Solution

The fourth proportional to 2,805.45, 4,208.29 and 1,050.28 is: 1,575.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,805.45 : 4,208.29 = 1,050.28 : x
  2. Step 2: Convert to fraction form
    2,805.45/4,208.29 = 1,050.28/x
  3. Step 3: Cross multiply
    2,805.45x = 4,208.29 × 1,050.28
  4. Step 4: Simplify right side
    2,805.45x = 4,419,882.82
  5. Step 5: Solve for x
    x = 4,419,882.82/2,805.45
  6. Step 6: Final answer
    x = 1,575.46

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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.