Home / 1,759.53-2,636.37-1,238.44

Finding the Fourth Proportional to 1,759.53, 2,636.37 and 1,238.44

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Solution

The fourth proportional to 1,759.53, 2,636.37 and 1,238.44 is: 1,855.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,759.53 : 2,636.37 = 1,238.44 : x
  2. Step 2: Convert to fraction form
    1,759.53/2,636.37 = 1,238.44/x
  3. Step 3: Cross multiply
    1,759.53x = 2,636.37 × 1,238.44
  4. Step 4: Simplify right side
    1,759.53x = 3,264,986.06
  5. Step 5: Solve for x
    x = 3,264,986.06/1,759.53
  6. Step 6: Final answer
    x = 1,855.60

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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.