Home / 1,674.26-2,511.23-1,129.94

Finding the Fourth Proportional to 1,674.26, 2,511.23 and 1,129.94

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Solution

The fourth proportional to 1,674.26, 2,511.23 and 1,129.94 is: 1,694.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,674.26 : 2,511.23 = 1,129.94 : x
  2. Step 2: Convert to fraction form
    1,674.26/2,511.23 = 1,129.94/x
  3. Step 3: Cross multiply
    1,674.26x = 2,511.23 × 1,129.94
  4. Step 4: Simplify right side
    1,674.26x = 2,837,521.02
  5. Step 5: Solve for x
    x = 2,837,521.02/1,674.26
  6. Step 6: Final answer
    x = 1,694.80

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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.