Home / 2,193.87-3,027.54-1,297.62

Finding the Fourth Proportional to 2,193.87, 3,027.54 and 1,297.62

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Solution

The fourth proportional to 2,193.87, 3,027.54 and 1,297.62 is: 1,790.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,193.87 : 3,027.54 = 1,297.62 : x
  2. Step 2: Convert to fraction form
    2,193.87/3,027.54 = 1,297.62/x
  3. Step 3: Cross multiply
    2,193.87x = 3,027.54 × 1,297.62
  4. Step 4: Simplify right side
    2,193.87x = 3,928,596.45
  5. Step 5: Solve for x
    x = 3,928,596.45/2,193.87
  6. Step 6: Final answer
    x = 1,790.72

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1.5x scale

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.