Home / 1,694.93-2,338.74-1,065.15

Finding the Fourth Proportional to 1,694.93, 2,338.74 and 1,065.15

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Solution

The fourth proportional to 1,694.93, 2,338.74 and 1,065.15 is: 1,469.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,694.93 : 2,338.74 = 1,065.15 : x
  2. Step 2: Convert to fraction form
    1,694.93/2,338.74 = 1,065.15/x
  3. Step 3: Cross multiply
    1,694.93x = 2,338.74 × 1,065.15
  4. Step 4: Simplify right side
    1,694.93x = 2,491,108.91
  5. Step 5: Solve for x
    x = 2,491,108.91/1,694.93
  6. Step 6: Final answer
    x = 1,469.75

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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.