Home / 2,406.93-3,321.33-1,777.80

Finding the Fourth Proportional to 2,406.93, 3,321.33 and 1,777.80

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Solution

The fourth proportional to 2,406.93, 3,321.33 and 1,777.80 is: 2,453.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,406.93 : 3,321.33 = 1,777.80 : x
  2. Step 2: Convert to fraction form
    2,406.93/3,321.33 = 1,777.80/x
  3. Step 3: Cross multiply
    2,406.93x = 3,321.33 × 1,777.80
  4. Step 4: Simplify right side
    2,406.93x = 5,904,660.47
  5. Step 5: Solve for x
    x = 5,904,660.47/2,406.93
  6. Step 6: Final answer
    x = 2,453.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.