Home / 2,790.03-3,849.59-1,610.88

Finding the Fourth Proportional to 2,790.03, 3,849.59 and 1,610.88

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Solution

The fourth proportional to 2,790.03, 3,849.59 and 1,610.88 is: 2,222.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,790.03 : 3,849.59 = 1,610.88 : x
  2. Step 2: Convert to fraction form
    2,790.03/3,849.59 = 1,610.88/x
  3. Step 3: Cross multiply
    2,790.03x = 3,849.59 × 1,610.88
  4. Step 4: Simplify right side
    2,790.03x = 6,201,227.54
  5. Step 5: Solve for x
    x = 6,201,227.54/2,790.03
  6. Step 6: Final answer
    x = 2,222.64

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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.