Home / 1,904.27-2,851.97-1,122.71

Finding the Fourth Proportional to 1,904.27, 2,851.97 and 1,122.71

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Solution

The fourth proportional to 1,904.27, 2,851.97 and 1,122.71 is: 1,681.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,904.27 : 2,851.97 = 1,122.71 : x
  2. Step 2: Convert to fraction form
    1,904.27/2,851.97 = 1,122.71/x
  3. Step 3: Cross multiply
    1,904.27x = 2,851.97 × 1,122.71
  4. Step 4: Simplify right side
    1,904.27x = 3,201,915.37
  5. Step 5: Solve for x
    x = 3,201,915.37/1,904.27
  6. Step 6: Final answer
    x = 1,681.44

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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.