Home / 3,810.60-5,708.88-3,198.24

Finding the Fourth Proportional to 3,810.60, 5,708.88 and 3,198.24

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Solution

The fourth proportional to 3,810.60, 5,708.88 and 3,198.24 is: 4,791.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,810.60 : 5,708.88 = 3,198.24 : x
  2. Step 2: Convert to fraction form
    3,810.60/5,708.88 = 3,198.24/x
  3. Step 3: Cross multiply
    3,810.60x = 5,708.88 × 3,198.24
  4. Step 4: Simplify right side
    3,810.60x = 18,258,368.37
  5. Step 5: Solve for x
    x = 18,258,368.37/3,810.60
  6. Step 6: Final answer
    x = 4,791.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.