Home / 1,942.74-2,908.65-1,806.06

Finding the Fourth Proportional to 1,942.74, 2,908.65 and 1,806.06

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Solution

The fourth proportional to 1,942.74, 2,908.65 and 1,806.06 is: 2,704.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,942.74 : 2,908.65 = 1,806.06 : x
  2. Step 2: Convert to fraction form
    1,942.74/2,908.65 = 1,806.06/x
  3. Step 3: Cross multiply
    1,942.74x = 2,908.65 × 1,806.06
  4. Step 4: Simplify right side
    1,942.74x = 5,253,196.42
  5. Step 5: Solve for x
    x = 5,253,196.42/1,942.74
  6. Step 6: Final answer
    x = 2,704.01

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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.