Home / 2,292.12-3,162.93-1,297.44

Finding the Fourth Proportional to 2,292.12, 3,162.93 and 1,297.44

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Solution

The fourth proportional to 2,292.12, 3,162.93 and 1,297.44 is: 1,790.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,292.12 : 3,162.93 = 1,297.44 : x
  2. Step 2: Convert to fraction form
    2,292.12/3,162.93 = 1,297.44/x
  3. Step 3: Cross multiply
    2,292.12x = 3,162.93 × 1,297.44
  4. Step 4: Simplify right side
    2,292.12x = 4,103,711.90
  5. Step 5: Solve for x
    x = 4,103,711.90/2,292.12
  6. Step 6: Final answer
    x = 1,790.36

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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.