Home / 1,379.49-2,064.29-1,013.37

Finding the Fourth Proportional to 1,379.49, 2,064.29 and 1,013.37

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Solution

The fourth proportional to 1,379.49, 2,064.29 and 1,013.37 is: 1,516.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,379.49 : 2,064.29 = 1,013.37 : x
  2. Step 2: Convert to fraction form
    1,379.49/2,064.29 = 1,013.37/x
  3. Step 3: Cross multiply
    1,379.49x = 2,064.29 × 1,013.37
  4. Step 4: Simplify right side
    1,379.49x = 2,091,884.49
  5. Step 5: Solve for x
    x = 2,091,884.49/1,379.49
  6. Step 6: Final answer
    x = 1,516.42

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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.