Home / 1,953.69-2,694.62-1,245.75

Finding the Fourth Proportional to 1,953.69, 2,694.62 and 1,245.75

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Solution

The fourth proportional to 1,953.69, 2,694.62 and 1,245.75 is: 1,718.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,953.69 : 2,694.62 = 1,245.75 : x
  2. Step 2: Convert to fraction form
    1,953.69/2,694.62 = 1,245.75/x
  3. Step 3: Cross multiply
    1,953.69x = 2,694.62 × 1,245.75
  4. Step 4: Simplify right side
    1,953.69x = 3,356,816.64
  5. Step 5: Solve for x
    x = 3,356,816.64/1,953.69
  6. Step 6: Final answer
    x = 1,718.19

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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.