Home / 3,450.87-4,762.94-2,106.77

Finding the Fourth Proportional to 3,450.87, 4,762.94 and 2,106.77

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Solution

The fourth proportional to 3,450.87, 4,762.94 and 2,106.77 is: 2,907.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,450.87 : 4,762.94 = 2,106.77 : x
  2. Step 2: Convert to fraction form
    3,450.87/4,762.94 = 2,106.77/x
  3. Step 3: Cross multiply
    3,450.87x = 4,762.94 × 2,106.77
  4. Step 4: Simplify right side
    3,450.87x = 10,034,384.76
  5. Step 5: Solve for x
    x = 10,034,384.76/3,450.87
  6. Step 6: Final answer
    x = 2,907.78

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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.