Home / 2,380.44-3,284.94-1,318.32

Finding the Fourth Proportional to 2,380.44, 3,284.94 and 1,318.32

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Solution

The fourth proportional to 2,380.44, 3,284.94 and 1,318.32 is: 1,819.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,380.44 : 3,284.94 = 1,318.32 : x
  2. Step 2: Convert to fraction form
    2,380.44/3,284.94 = 1,318.32/x
  3. Step 3: Cross multiply
    2,380.44x = 3,284.94 × 1,318.32
  4. Step 4: Simplify right side
    2,380.44x = 4,330,602.10
  5. Step 5: Solve for x
    x = 4,330,602.10/2,380.44
  6. Step 6: Final answer
    x = 1,819.24

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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.