Home / 3,493.59-5,241.47-1,211.60

Finding the Fourth Proportional to 3,493.59, 5,241.47 and 1,211.60

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Solution

The fourth proportional to 3,493.59, 5,241.47 and 1,211.60 is: 1,817.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,493.59 : 5,241.47 = 1,211.60 : x
  2. Step 2: Convert to fraction form
    3,493.59/5,241.47 = 1,211.60/x
  3. Step 3: Cross multiply
    3,493.59x = 5,241.47 × 1,211.60
  4. Step 4: Simplify right side
    3,493.59x = 6,350,556.99
  5. Step 5: Solve for x
    x = 6,350,556.99/3,493.59
  6. Step 6: Final answer
    x = 1,817.77

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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.