Home / 2,276.23-3,141.74-1,447.75

Finding the Fourth Proportional to 2,276.23, 3,141.74 and 1,447.75

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Solution

The fourth proportional to 2,276.23, 3,141.74 and 1,447.75 is: 1,998.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,276.23 : 3,141.74 = 1,447.75 : x
  2. Step 2: Convert to fraction form
    2,276.23/3,141.74 = 1,447.75/x
  3. Step 3: Cross multiply
    2,276.23x = 3,141.74 × 1,447.75
  4. Step 4: Simplify right side
    2,276.23x = 4,548,446.85
  5. Step 5: Solve for x
    x = 4,548,446.85/2,276.23
  6. Step 6: Final answer
    x = 1,998.24

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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.