Home / 2,775.33-3,829.97-1,580.28

Finding the Fourth Proportional to 2,775.33, 3,829.97 and 1,580.28

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Solution

The fourth proportional to 2,775.33, 3,829.97 and 1,580.28 is: 2,180.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,775.33 : 3,829.97 = 1,580.28 : x
  2. Step 2: Convert to fraction form
    2,775.33/3,829.97 = 1,580.28/x
  3. Step 3: Cross multiply
    2,775.33x = 3,829.97 × 1,580.28
  4. Step 4: Simplify right side
    2,775.33x = 6,052,424.99
  5. Step 5: Solve for x
    x = 6,052,424.99/2,775.33
  6. Step 6: Final answer
    x = 2,180.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.