Home / 2,106.47-3,164.93-1,366.55

Finding the Fourth Proportional to 2,106.47, 3,164.93 and 1,366.55

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Solution

The fourth proportional to 2,106.47, 3,164.93 and 1,366.55 is: 2,053.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,106.47 : 3,164.93 = 1,366.55 : x
  2. Step 2: Convert to fraction form
    2,106.47/3,164.93 = 1,366.55/x
  3. Step 3: Cross multiply
    2,106.47x = 3,164.93 × 1,366.55
  4. Step 4: Simplify right side
    2,106.47x = 4,325,035.09
  5. Step 5: Solve for x
    x = 4,325,035.09/2,106.47
  6. Step 6: Final answer
    x = 2,053.21

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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.