Home / 3,571.57-4,935.55-2,685.84

Finding the Fourth Proportional to 3,571.57, 4,935.55 and 2,685.84

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Solution

The fourth proportional to 3,571.57, 4,935.55 and 2,685.84 is: 3,711.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,571.57 : 4,935.55 = 2,685.84 : x
  2. Step 2: Convert to fraction form
    3,571.57/4,935.55 = 2,685.84/x
  3. Step 3: Cross multiply
    3,571.57x = 4,935.55 × 2,685.84
  4. Step 4: Simplify right side
    3,571.57x = 13,256,059.51
  5. Step 5: Solve for x
    x = 13,256,059.51/3,571.57
  6. Step 6: Final answer
    x = 3,711.55

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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.