Home / 3,214.98-4,436.64-1,889.64

Finding the Fourth Proportional to 3,214.98, 4,436.64 and 1,889.64

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Solution

The fourth proportional to 3,214.98, 4,436.64 and 1,889.64 is: 2,607.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,214.98 : 4,436.64 = 1,889.64 : x
  2. Step 2: Convert to fraction form
    3,214.98/4,436.64 = 1,889.64/x
  3. Step 3: Cross multiply
    3,214.98x = 4,436.64 × 1,889.64
  4. Step 4: Simplify right side
    3,214.98x = 8,383,652.41
  5. Step 5: Solve for x
    x = 8,383,652.41/3,214.98
  6. Step 6: Final answer
    x = 2,607.68

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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.