Home / 3,261.69-4,480.09-3,199.46

Finding the Fourth Proportional to 3,261.69, 4,480.09 and 3,199.46

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Solution

The fourth proportional to 3,261.69, 4,480.09 and 3,199.46 is: 4,394.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,261.69 : 4,480.09 = 3,199.46 : x
  2. Step 2: Convert to fraction form
    3,261.69/4,480.09 = 3,199.46/x
  3. Step 3: Cross multiply
    3,261.69x = 4,480.09 × 3,199.46
  4. Step 4: Simplify right side
    3,261.69x = 14,333,838.35
  5. Step 5: Solve for x
    x = 14,333,838.35/3,261.69
  6. Step 6: Final answer
    x = 4,394.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.