Home / 1,817.26-2,721.74-1,085.33

Finding the Fourth Proportional to 1,817.26, 2,721.74 and 1,085.33

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Solution

The fourth proportional to 1,817.26, 2,721.74 and 1,085.33 is: 1,625.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,817.26 : 2,721.74 = 1,085.33 : x
  2. Step 2: Convert to fraction form
    1,817.26/2,721.74 = 1,085.33/x
  3. Step 3: Cross multiply
    1,817.26x = 2,721.74 × 1,085.33
  4. Step 4: Simplify right side
    1,817.26x = 2,953,987.45
  5. Step 5: Solve for x
    x = 2,953,987.45/1,817.26
  6. Step 6: Final answer
    x = 1,625.52

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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.