Home / 3,205.52-4,811.34-1,563.21

Finding the Fourth Proportional to 3,205.52, 4,811.34 and 1,563.21

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Solution

The fourth proportional to 3,205.52, 4,811.34 and 1,563.21 is: 2,346.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,205.52 : 4,811.34 = 1,563.21 : x
  2. Step 2: Convert to fraction form
    3,205.52/4,811.34 = 1,563.21/x
  3. Step 3: Cross multiply
    3,205.52x = 4,811.34 × 1,563.21
  4. Step 4: Simplify right side
    3,205.52x = 7,521,134.80
  5. Step 5: Solve for x
    x = 7,521,134.80/3,205.52
  6. Step 6: Final answer
    x = 2,346.31

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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.