Home / 1,696.68-2,546.82-1,425.69

Finding the Fourth Proportional to 1,696.68, 2,546.82 and 1,425.69

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Solution

The fourth proportional to 1,696.68, 2,546.82 and 1,425.69 is: 2,140.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,696.68 : 2,546.82 = 1,425.69 : x
  2. Step 2: Convert to fraction form
    1,696.68/2,546.82 = 1,425.69/x
  3. Step 3: Cross multiply
    1,696.68x = 2,546.82 × 1,425.69
  4. Step 4: Simplify right side
    1,696.68x = 3,630,975.81
  5. Step 5: Solve for x
    x = 3,630,975.81/1,696.68
  6. Step 6: Final answer
    x = 2,140.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.