Home / 3,313.88-4,571.25-2,069.72

Finding the Fourth Proportional to 3,313.88, 4,571.25 and 2,069.72

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Solution

The fourth proportional to 3,313.88, 4,571.25 and 2,069.72 is: 2,855.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,313.88 : 4,571.25 = 2,069.72 : x
  2. Step 2: Convert to fraction form
    3,313.88/4,571.25 = 2,069.72/x
  3. Step 3: Cross multiply
    3,313.88x = 4,571.25 × 2,069.72
  4. Step 4: Simplify right side
    3,313.88x = 9,461,205.72
  5. Step 5: Solve for x
    x = 9,461,205.72/3,313.88
  6. Step 6: Final answer
    x = 2,855.02

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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.