Home / 3,463.54-4,779.80-2,137.21

Finding the Fourth Proportional to 3,463.54, 4,779.80 and 2,137.21

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Solution

The fourth proportional to 3,463.54, 4,779.80 and 2,137.21 is: 2,949.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,463.54 : 4,779.80 = 2,137.21 : x
  2. Step 2: Convert to fraction form
    3,463.54/4,779.80 = 2,137.21/x
  3. Step 3: Cross multiply
    3,463.54x = 4,779.80 × 2,137.21
  4. Step 4: Simplify right side
    3,463.54x = 10,215,436.36
  5. Step 5: Solve for x
    x = 10,215,436.36/3,463.54
  6. Step 6: Final answer
    x = 2,949.42

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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.