Home / 3,216.42-4,826.44-1,485.05

Finding the Fourth Proportional to 3,216.42, 4,826.44 and 1,485.05

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Solution

The fourth proportional to 3,216.42, 4,826.44 and 1,485.05 is: 2,228.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,216.42 : 4,826.44 = 1,485.05 : x
  2. Step 2: Convert to fraction form
    3,216.42/4,826.44 = 1,485.05/x
  3. Step 3: Cross multiply
    3,216.42x = 4,826.44 × 1,485.05
  4. Step 4: Simplify right side
    3,216.42x = 7,167,504.72
  5. Step 5: Solve for x
    x = 7,167,504.72/3,216.42
  6. Step 6: Final answer
    x = 2,228.41

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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.