Home / 2,790.94-3,852.06-1,611.84

Finding the Fourth Proportional to 2,790.94, 3,852.06 and 1,611.84

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Solution

The fourth proportional to 2,790.94, 3,852.06 and 1,611.84 is: 2,224.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,790.94 : 3,852.06 = 1,611.84 : x
  2. Step 2: Convert to fraction form
    2,790.94/3,852.06 = 1,611.84/x
  3. Step 3: Cross multiply
    2,790.94x = 3,852.06 × 1,611.84
  4. Step 4: Simplify right side
    2,790.94x = 6,208,904.39
  5. Step 5: Solve for x
    x = 6,208,904.39/2,790.94
  6. Step 6: Final answer
    x = 2,224.66

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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.