Home / 1,965.38-2,698.01-1,946.92

Finding the Fourth Proportional to 1,965.38, 2,698.01 and 1,946.92

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Solution

The fourth proportional to 1,965.38, 2,698.01 and 1,946.92 is: 2,672.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,965.38 : 2,698.01 = 1,946.92 : x
  2. Step 2: Convert to fraction form
    1,965.38/2,698.01 = 1,946.92/x
  3. Step 3: Cross multiply
    1,965.38x = 2,698.01 × 1,946.92
  4. Step 4: Simplify right side
    1,965.38x = 5,252,809.63
  5. Step 5: Solve for x
    x = 5,252,809.63/1,965.38
  6. Step 6: Final answer
    x = 2,672.67

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.