Home / 3,552.84-4,907.70-3,221.64

Finding the Fourth Proportional to 3,552.84, 4,907.70 and 3,221.64

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Solution

The fourth proportional to 3,552.84, 4,907.70 and 3,221.64 is: 4,450.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,552.84 : 4,907.70 = 3,221.64 : x
  2. Step 2: Convert to fraction form
    3,552.84/4,907.70 = 3,221.64/x
  3. Step 3: Cross multiply
    3,552.84x = 4,907.70 × 3,221.64
  4. Step 4: Simplify right side
    3,552.84x = 15,810,842.63
  5. Step 5: Solve for x
    x = 15,810,842.63/3,552.84
  6. Step 6: Final answer
    x = 4,450.20

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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.