Home / 3,645.50-5,467.10-1,179.72

Finding the Fourth Proportional to 3,645.50, 5,467.10 and 1,179.72

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Solution

The fourth proportional to 3,645.50, 5,467.10 and 1,179.72 is: 1,769.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,645.50 : 5,467.10 = 1,179.72 : x
  2. Step 2: Convert to fraction form
    3,645.50/5,467.10 = 1,179.72/x
  3. Step 3: Cross multiply
    3,645.50x = 5,467.10 × 1,179.72
  4. Step 4: Simplify right side
    3,645.50x = 6,449,641.31
  5. Step 5: Solve for x
    x = 6,449,641.31/3,645.50
  6. Step 6: Final answer
    x = 1,769.21

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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.