Home / 3,467.80-5,208.96-2,947.72

Finding the Fourth Proportional to 3,467.80, 5,208.96 and 2,947.72

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Solution

The fourth proportional to 3,467.80, 5,208.96 and 2,947.72 is: 4,427.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,467.80 : 5,208.96 = 2,947.72 : x
  2. Step 2: Convert to fraction form
    3,467.80/5,208.96 = 2,947.72/x
  3. Step 3: Cross multiply
    3,467.80x = 5,208.96 × 2,947.72
  4. Step 4: Simplify right side
    3,467.80x = 15,354,555.57
  5. Step 5: Solve for x
    x = 15,354,555.57/3,467.80
  6. Step 6: Final answer
    x = 4,427.75

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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.