Home / 1,394.04-2,092.41-745.23

Finding the Fourth Proportional to 1,394.04, 2,092.41 and 745.23

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Solution

The fourth proportional to 1,394.04, 2,092.41 and 745.23 is: 1,118.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,394.04 : 2,092.41 = 745.23 : x
  2. Step 2: Convert to fraction form
    1,394.04/2,092.41 = 745.23/x
  3. Step 3: Cross multiply
    1,394.04x = 2,092.41 × 745.23
  4. Step 4: Simplify right side
    1,394.04x = 1,559,326.70
  5. Step 5: Solve for x
    x = 1,559,326.70/1,394.04
  6. Step 6: Final answer
    x = 1,118.57

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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.