Home / 2,772.84-3,825.57-1,725.51

Finding the Fourth Proportional to 2,772.84, 3,825.57 and 1,725.51

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Solution

The fourth proportional to 2,772.84, 3,825.57 and 1,725.51 is: 2,380.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,772.84 : 3,825.57 = 1,725.51 : x
  2. Step 2: Convert to fraction form
    2,772.84/3,825.57 = 1,725.51/x
  3. Step 3: Cross multiply
    2,772.84x = 3,825.57 × 1,725.51
  4. Step 4: Simplify right side
    2,772.84x = 6,601,059.29
  5. Step 5: Solve for x
    x = 6,601,059.29/2,772.84
  6. Step 6: Final answer
    x = 2,380.61

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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.