Home / 2,288.96-3,157.71-1,344.73

Finding the Fourth Proportional to 2,288.96, 3,157.71 and 1,344.73

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Solution

The fourth proportional to 2,288.96, 3,157.71 and 1,344.73 is: 1,855.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,288.96 : 3,157.71 = 1,344.73 : x
  2. Step 2: Convert to fraction form
    2,288.96/3,157.71 = 1,344.73/x
  3. Step 3: Cross multiply
    2,288.96x = 3,157.71 × 1,344.73
  4. Step 4: Simplify right side
    2,288.96x = 4,246,267.37
  5. Step 5: Solve for x
    x = 4,246,267.37/2,288.96
  6. Step 6: Final answer
    x = 1,855.11

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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.