Home / 2,106.09-3,153.61-1,364.55

Finding the Fourth Proportional to 2,106.09, 3,153.61 and 1,364.55

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Solution

The fourth proportional to 2,106.09, 3,153.61 and 1,364.55 is: 2,043.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,106.09 : 3,153.61 = 1,364.55 : x
  2. Step 2: Convert to fraction form
    2,106.09/3,153.61 = 1,364.55/x
  3. Step 3: Cross multiply
    2,106.09x = 3,153.61 × 1,364.55
  4. Step 4: Simplify right side
    2,106.09x = 4,303,251.70
  5. Step 5: Solve for x
    x = 4,303,251.70/2,106.09
  6. Step 6: Final answer
    x = 2,043.25

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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.