Home / 2,254.22-3,113.84-1,813.80

Finding the Fourth Proportional to 2,254.22, 3,113.84 and 1,813.80

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Solution

The fourth proportional to 2,254.22, 3,113.84 and 1,813.80 is: 2,505.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,254.22 : 3,113.84 = 1,813.80 : x
  2. Step 2: Convert to fraction form
    2,254.22/3,113.84 = 1,813.80/x
  3. Step 3: Cross multiply
    2,254.22x = 3,113.84 × 1,813.80
  4. Step 4: Simplify right side
    2,254.22x = 5,647,882.99
  5. Step 5: Solve for x
    x = 5,647,882.99/2,254.22
  6. Step 6: Final answer
    x = 2,505.47

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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.