Home / 3,106.93-4,286.64-1,847.35

Finding the Fourth Proportional to 3,106.93, 4,286.64 and 1,847.35

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Solution

The fourth proportional to 3,106.93, 4,286.64 and 1,847.35 is: 2,548.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,106.93 : 4,286.64 = 1,847.35 : x
  2. Step 2: Convert to fraction form
    3,106.93/4,286.64 = 1,847.35/x
  3. Step 3: Cross multiply
    3,106.93x = 4,286.64 × 1,847.35
  4. Step 4: Simplify right side
    3,106.93x = 7,918,924.40
  5. Step 5: Solve for x
    x = 7,918,924.40/3,106.93
  6. Step 6: Final answer
    x = 2,548.79

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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.