Home / 3,079.94-4,618.29-2,106.32

Finding the Fourth Proportional to 3,079.94, 4,618.29 and 2,106.32

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Solution

The fourth proportional to 3,079.94, 4,618.29 and 2,106.32 is: 3,158.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,079.94 : 4,618.29 = 2,106.32 : x
  2. Step 2: Convert to fraction form
    3,079.94/4,618.29 = 2,106.32/x
  3. Step 3: Cross multiply
    3,079.94x = 4,618.29 × 2,106.32
  4. Step 4: Simplify right side
    3,079.94x = 9,727,596.59
  5. Step 5: Solve for x
    x = 9,727,596.59/3,079.94
  6. Step 6: Final answer
    x = 3,158.37

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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.