Home / 3,420.94-4,716.56-2,300.12

Finding the Fourth Proportional to 3,420.94, 4,716.56 and 2,300.12

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Solution

The fourth proportional to 3,420.94, 4,716.56 and 2,300.12 is: 3,171.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,420.94 : 4,716.56 = 2,300.12 : x
  2. Step 2: Convert to fraction form
    3,420.94/4,716.56 = 2,300.12/x
  3. Step 3: Cross multiply
    3,420.94x = 4,716.56 × 2,300.12
  4. Step 4: Simplify right side
    3,420.94x = 10,848,653.99
  5. Step 5: Solve for x
    x = 10,848,653.99/3,420.94
  6. Step 6: Final answer
    x = 3,171.25

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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.