Home / 1,477.23-2,211.73-745.26

Finding the Fourth Proportional to 1,477.23, 2,211.73 and 745.26

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Solution

The fourth proportional to 1,477.23, 2,211.73 and 745.26 is: 1,115.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,477.23 : 2,211.73 = 745.26 : x
  2. Step 2: Convert to fraction form
    1,477.23/2,211.73 = 745.26/x
  3. Step 3: Cross multiply
    1,477.23x = 2,211.73 × 745.26
  4. Step 4: Simplify right side
    1,477.23x = 1,648,313.90
  5. Step 5: Solve for x
    x = 1,648,313.90/1,477.23
  6. Step 6: Final answer
    x = 1,115.81

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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.