Home / 3,271.86-4,874.70-3,106.62

Finding the Fourth Proportional to 3,271.86, 4,874.70 and 3,106.62

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Solution

The fourth proportional to 3,271.86, 4,874.70 and 3,106.62 is: 4,628.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,271.86 : 4,874.70 = 3,106.62 : x
  2. Step 2: Convert to fraction form
    3,271.86/4,874.70 = 3,106.62/x
  3. Step 3: Cross multiply
    3,271.86x = 4,874.70 × 3,106.62
  4. Step 4: Simplify right side
    3,271.86x = 15,143,840.51
  5. Step 5: Solve for x
    x = 15,143,840.51/3,271.86
  6. Step 6: Final answer
    x = 4,628.51

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.