Home / 3,388.60-5,083.98-1,198.72

Finding the Fourth Proportional to 3,388.60, 5,083.98 and 1,198.72

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Solution

The fourth proportional to 3,388.60, 5,083.98 and 1,198.72 is: 1,798.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,388.60 : 5,083.98 = 1,198.72 : x
  2. Step 2: Convert to fraction form
    3,388.60/5,083.98 = 1,198.72/x
  3. Step 3: Cross multiply
    3,388.60x = 5,083.98 × 1,198.72
  4. Step 4: Simplify right side
    3,388.60x = 6,094,268.51
  5. Step 5: Solve for x
    x = 6,094,268.51/3,388.60
  6. Step 6: Final answer
    x = 1,798.46

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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.