Home / 3,400.12-5,100.47-1,452.34

Finding the Fourth Proportional to 3,400.12, 5,100.47 and 1,452.34

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Solution

The fourth proportional to 3,400.12, 5,100.47 and 1,452.34 is: 2,178.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,400.12 : 5,100.47 = 1,452.34 : x
  2. Step 2: Convert to fraction form
    3,400.12/5,100.47 = 1,452.34/x
  3. Step 3: Cross multiply
    3,400.12x = 5,100.47 × 1,452.34
  4. Step 4: Simplify right side
    3,400.12x = 7,407,616.60
  5. Step 5: Solve for x
    x = 7,407,616.60/3,400.12
  6. Step 6: Final answer
    x = 2,178.63

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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.