Home / 3,199.40-4,415.26-1,873.16

Finding the Fourth Proportional to 3,199.40, 4,415.26 and 1,873.16

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Solution

The fourth proportional to 3,199.40, 4,415.26 and 1,873.16 is: 2,585.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,199.40 : 4,415.26 = 1,873.16 : x
  2. Step 2: Convert to fraction form
    3,199.40/4,415.26 = 1,873.16/x
  3. Step 3: Cross multiply
    3,199.40x = 4,415.26 × 1,873.16
  4. Step 4: Simplify right side
    3,199.40x = 8,270,481.73
  5. Step 5: Solve for x
    x = 8,270,481.73/3,199.40
  6. Step 6: Final answer
    x = 2,585.01

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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.