Home / 3,286.40-4,925.95-1,644.32

Finding the Fourth Proportional to 3,286.40, 4,925.95 and 1,644.32

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Solution

The fourth proportional to 3,286.40, 4,925.95 and 1,644.32 is: 2,464.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,286.40 : 4,925.95 = 1,644.32 : x
  2. Step 2: Convert to fraction form
    3,286.40/4,925.95 = 1,644.32/x
  3. Step 3: Cross multiply
    3,286.40x = 4,925.95 × 1,644.32
  4. Step 4: Simplify right side
    3,286.40x = 8,099,846.31
  5. Step 5: Solve for x
    x = 8,099,846.31/3,286.40
  6. Step 6: Final answer
    x = 2,464.66

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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.