Home / 3,645.26-5,467.90-1,180.30

Finding the Fourth Proportional to 3,645.26, 5,467.90 and 1,180.30

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Solution

The fourth proportional to 3,645.26, 5,467.90 and 1,180.30 is: 1,770.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,645.26 : 5,467.90 = 1,180.30 : x
  2. Step 2: Convert to fraction form
    3,645.26/5,467.90 = 1,180.30/x
  3. Step 3: Cross multiply
    3,645.26x = 5,467.90 × 1,180.30
  4. Step 4: Simplify right side
    3,645.26x = 6,453,762.37
  5. Step 5: Solve for x
    x = 6,453,762.37/3,645.26
  6. Step 6: Final answer
    x = 1,770.45

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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.