Home / 3,745.99-5,619.59-1,406.18

Finding the Fourth Proportional to 3,745.99, 5,619.59 and 1,406.18

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Solution

The fourth proportional to 3,745.99, 5,619.59 and 1,406.18 is: 2,109.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,745.99 : 5,619.59 = 1,406.18 : x
  2. Step 2: Convert to fraction form
    3,745.99/5,619.59 = 1,406.18/x
  3. Step 3: Cross multiply
    3,745.99x = 5,619.59 × 1,406.18
  4. Step 4: Simplify right side
    3,745.99x = 7,902,144.53
  5. Step 5: Solve for x
    x = 7,902,144.53/3,745.99
  6. Step 6: Final answer
    x = 2,109.49

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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.