Home / 2,790.59-3,851.01-1,611.65

Finding the Fourth Proportional to 2,790.59, 3,851.01 and 1,611.65

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Solution

The fourth proportional to 2,790.59, 3,851.01 and 1,611.65 is: 2,224.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,790.59 : 3,851.01 = 1,611.65 : x
  2. Step 2: Convert to fraction form
    2,790.59/3,851.01 = 1,611.65/x
  3. Step 3: Cross multiply
    2,790.59x = 3,851.01 × 1,611.65
  4. Step 4: Simplify right side
    2,790.59x = 6,206,489.89
  5. Step 5: Solve for x
    x = 6,206,489.89/2,790.59
  6. Step 6: Final answer
    x = 2,224.08

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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.