Home / 3,475.42-5,212.99-1,394.80

Finding the Fourth Proportional to 3,475.42, 5,212.99 and 1,394.80

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Solution

The fourth proportional to 3,475.42, 5,212.99 and 1,394.80 is: 2,092.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,475.42 : 5,212.99 = 1,394.80 : x
  2. Step 2: Convert to fraction form
    3,475.42/5,212.99 = 1,394.80/x
  3. Step 3: Cross multiply
    3,475.42x = 5,212.99 × 1,394.80
  4. Step 4: Simplify right side
    3,475.42x = 7,271,078.45
  5. Step 5: Solve for x
    x = 7,271,078.45/3,475.42
  6. Step 6: Final answer
    x = 2,092.14

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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.