Home / 1,782.09-2,669.49-1,195.29

Finding the Fourth Proportional to 1,782.09, 2,669.49 and 1,195.29

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Solution

The fourth proportional to 1,782.09, 2,669.49 and 1,195.29 is: 1,790.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,782.09 : 2,669.49 = 1,195.29 : x
  2. Step 2: Convert to fraction form
    1,782.09/2,669.49 = 1,195.29/x
  3. Step 3: Cross multiply
    1,782.09x = 2,669.49 × 1,195.29
  4. Step 4: Simplify right side
    1,782.09x = 3,190,814.70
  5. Step 5: Solve for x
    x = 3,190,814.70/1,782.09
  6. Step 6: Final answer
    x = 1,790.49

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1.5x scale

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.