Home / 3,647.40-5,468.46-1,180.86

Finding the Fourth Proportional to 3,647.40, 5,468.46 and 1,180.86

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Solution

The fourth proportional to 3,647.40, 5,468.46 and 1,180.86 is: 1,770.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,647.40 : 5,468.46 = 1,180.86 : x
  2. Step 2: Convert to fraction form
    3,647.40/5,468.46 = 1,180.86/x
  3. Step 3: Cross multiply
    3,647.40x = 5,468.46 × 1,180.86
  4. Step 4: Simplify right side
    3,647.40x = 6,457,485.68
  5. Step 5: Solve for x
    x = 6,457,485.68/3,647.40
  6. Step 6: Final answer
    x = 1,770.44

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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.