Home / 3,106.27-4,286.66-1,709.02

Finding the Fourth Proportional to 3,106.27, 4,286.66 and 1,709.02

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Solution

The fourth proportional to 3,106.27, 4,286.66 and 1,709.02 is: 2,358.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,106.27 : 4,286.66 = 1,709.02 : x
  2. Step 2: Convert to fraction form
    3,106.27/4,286.66 = 1,709.02/x
  3. Step 3: Cross multiply
    3,106.27x = 4,286.66 × 1,709.02
  4. Step 4: Simplify right side
    3,106.27x = 7,325,968.41
  5. Step 5: Solve for x
    x = 7,325,968.41/3,106.27
  6. Step 6: Final answer
    x = 2,358.45

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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.