Home / 3,493.70-5,240.55-1,185.22

Finding the Fourth Proportional to 3,493.70, 5,240.55 and 1,185.22

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Solution

The fourth proportional to 3,493.70, 5,240.55 and 1,185.22 is: 1,777.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,493.70 : 5,240.55 = 1,185.22 : x
  2. Step 2: Convert to fraction form
    3,493.70/5,240.55 = 1,185.22/x
  3. Step 3: Cross multiply
    3,493.70x = 5,240.55 × 1,185.22
  4. Step 4: Simplify right side
    3,493.70x = 6,211,204.67
  5. Step 5: Solve for x
    x = 6,211,204.67/3,493.70
  6. Step 6: Final answer
    x = 1,777.83

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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.