Home / 3,215.68-4,825.36-1,366.56

Finding the Fourth Proportional to 3,215.68, 4,825.36 and 1,366.56

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Solution

The fourth proportional to 3,215.68, 4,825.36 and 1,366.56 is: 2,050.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,215.68 : 4,825.36 = 1,366.56 : x
  2. Step 2: Convert to fraction form
    3,215.68/4,825.36 = 1,366.56/x
  3. Step 3: Cross multiply
    3,215.68x = 4,825.36 × 1,366.56
  4. Step 4: Simplify right side
    3,215.68x = 6,594,143.96
  5. Step 5: Solve for x
    x = 6,594,143.96/3,215.68
  6. Step 6: Final answer
    x = 2,050.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.