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Finding the Fourth Proportional to 1,993.53, 2,975.22 and 1,941.69

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Solution

The fourth proportional to 1,993.53, 2,975.22 and 1,941.69 is: 2,897.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,993.53 : 2,975.22 = 1,941.69 : x
  2. Step 2: Convert to fraction form
    1,993.53/2,975.22 = 1,941.69/x
  3. Step 3: Cross multiply
    1,993.53x = 2,975.22 × 1,941.69
  4. Step 4: Simplify right side
    1,993.53x = 5,776,954.92
  5. Step 5: Solve for x
    x = 5,776,954.92/1,993.53
  6. Step 6: Final answer
    x = 2,897.85

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1.5x scale

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.