Home / 2,225.94-3,065.22-1,784.49

Finding the Fourth Proportional to 2,225.94, 3,065.22 and 1,784.49

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Solution

The fourth proportional to 2,225.94, 3,065.22 and 1,784.49 is: 2,457.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,225.94 : 3,065.22 = 1,784.49 : x
  2. Step 2: Convert to fraction form
    2,225.94/3,065.22 = 1,784.49/x
  3. Step 3: Cross multiply
    2,225.94x = 3,065.22 × 1,784.49
  4. Step 4: Simplify right side
    2,225.94x = 5,469,854.44
  5. Step 5: Solve for x
    x = 5,469,854.44/2,225.94
  6. Step 6: Final answer
    x = 2,457.32

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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.