Home / 1,975.68-2,724.39-1,696.84

Finding the Fourth Proportional to 1,975.68, 2,724.39 and 1,696.84

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Solution

The fourth proportional to 1,975.68, 2,724.39 and 1,696.84 is: 2,339.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,975.68 : 2,724.39 = 1,696.84 : x
  2. Step 2: Convert to fraction form
    1,975.68/2,724.39 = 1,696.84/x
  3. Step 3: Cross multiply
    1,975.68x = 2,724.39 × 1,696.84
  4. Step 4: Simplify right side
    1,975.68x = 4,622,840.31
  5. Step 5: Solve for x
    x = 4,622,840.31/1,975.68
  6. Step 6: Final answer
    x = 2,339.87

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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.