Home / 3,770.09-5,199.75-3,518.57

Finding the Fourth Proportional to 3,770.09, 5,199.75 and 3,518.57

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Solution

The fourth proportional to 3,770.09, 5,199.75 and 3,518.57 is: 4,852.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,770.09 : 5,199.75 = 3,518.57 : x
  2. Step 2: Convert to fraction form
    3,770.09/5,199.75 = 3,518.57/x
  3. Step 3: Cross multiply
    3,770.09x = 5,199.75 × 3,518.57
  4. Step 4: Simplify right side
    3,770.09x = 18,295,684.36
  5. Step 5: Solve for x
    x = 18,295,684.36/3,770.09
  6. Step 6: Final answer
    x = 4,852.85

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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.