Home / 1,523.41-2,274.09-1,338.89

Finding the Fourth Proportional to 1,523.41, 2,274.09 and 1,338.89

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Solution

The fourth proportional to 1,523.41, 2,274.09 and 1,338.89 is: 1,998.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,523.41 : 2,274.09 = 1,338.89 : x
  2. Step 2: Convert to fraction form
    1,523.41/2,274.09 = 1,338.89/x
  3. Step 3: Cross multiply
    1,523.41x = 2,274.09 × 1,338.89
  4. Step 4: Simplify right side
    1,523.41x = 3,044,756.36
  5. Step 5: Solve for x
    x = 3,044,756.36/1,523.41
  6. Step 6: Final answer
    x = 1,998.65

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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.