Home / 2,106.87-2,907.64-1,162.74

Finding the Fourth Proportional to 2,106.87, 2,907.64 and 1,162.74

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Solution

The fourth proportional to 2,106.87, 2,907.64 and 1,162.74 is: 1,604.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,106.87 : 2,907.64 = 1,162.74 : x
  2. Step 2: Convert to fraction form
    2,106.87/2,907.64 = 1,162.74/x
  3. Step 3: Cross multiply
    2,106.87x = 2,907.64 × 1,162.74
  4. Step 4: Simplify right side
    2,106.87x = 3,380,836.78
  5. Step 5: Solve for x
    x = 3,380,836.78/2,106.87
  6. Step 6: Final answer
    x = 1,604.68

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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.