Home / 2,480.21-3,718.99-1,091.94

Finding the Fourth Proportional to 2,480.21, 3,718.99 and 1,091.94

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Solution

The fourth proportional to 2,480.21, 3,718.99 and 1,091.94 is: 1,637.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,480.21 : 3,718.99 = 1,091.94 : x
  2. Step 2: Convert to fraction form
    2,480.21/3,718.99 = 1,091.94/x
  3. Step 3: Cross multiply
    2,480.21x = 3,718.99 × 1,091.94
  4. Step 4: Simplify right side
    2,480.21x = 4,060,913.94
  5. Step 5: Solve for x
    x = 4,060,913.94/2,480.21
  6. Step 6: Final answer
    x = 1,637.33

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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.