Home / 2,755.68-4,131.36-1,368.04

Finding the Fourth Proportional to 2,755.68, 4,131.36 and 1,368.04

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Solution

The fourth proportional to 2,755.68, 4,131.36 and 1,368.04 is: 2,050.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,755.68 : 4,131.36 = 1,368.04 : x
  2. Step 2: Convert to fraction form
    2,755.68/4,131.36 = 1,368.04/x
  3. Step 3: Cross multiply
    2,755.68x = 4,131.36 × 1,368.04
  4. Step 4: Simplify right side
    2,755.68x = 5,651,865.73
  5. Step 5: Solve for x
    x = 5,651,865.73/2,755.68
  6. Step 6: Final answer
    x = 2,050.99

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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.