Home / 3,216.36-4,438.62-1,819.14

Finding the Fourth Proportional to 3,216.36, 4,438.62 and 1,819.14

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Solution

The fourth proportional to 3,216.36, 4,438.62 and 1,819.14 is: 2,510.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,216.36 : 4,438.62 = 1,819.14 : x
  2. Step 2: Convert to fraction form
    3,216.36/4,438.62 = 1,819.14/x
  3. Step 3: Cross multiply
    3,216.36x = 4,438.62 × 1,819.14
  4. Step 4: Simplify right side
    3,216.36x = 8,074,471.19
  5. Step 5: Solve for x
    x = 8,074,471.19/3,216.36
  6. Step 6: Final answer
    x = 2,510.44

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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.