Home / 2,292.30-3,163.23-1,297.50

Finding the Fourth Proportional to 2,292.30, 3,163.23 and 1,297.50

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Solution

The fourth proportional to 2,292.30, 3,163.23 and 1,297.50 is: 1,790.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,292.30 : 3,163.23 = 1,297.50 : x
  2. Step 2: Convert to fraction form
    2,292.30/3,163.23 = 1,297.50/x
  3. Step 3: Cross multiply
    2,292.30x = 3,163.23 × 1,297.50
  4. Step 4: Simplify right side
    2,292.30x = 4,104,290.93
  5. Step 5: Solve for x
    x = 4,104,290.93/2,292.30
  6. Step 6: Final answer
    x = 1,790.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.