Home / 3,162.12-4,373.04-2,768.44

Finding the Fourth Proportional to 3,162.12, 4,373.04 and 2,768.44

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Solution

The fourth proportional to 3,162.12, 4,373.04 and 2,768.44 is: 3,828.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,162.12 : 4,373.04 = 2,768.44 : x
  2. Step 2: Convert to fraction form
    3,162.12/4,373.04 = 2,768.44/x
  3. Step 3: Cross multiply
    3,162.12x = 4,373.04 × 2,768.44
  4. Step 4: Simplify right side
    3,162.12x = 12,106,498.86
  5. Step 5: Solve for x
    x = 12,106,498.86/3,162.12
  6. Step 6: Final answer
    x = 3,828.60

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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.