Home / 3,400.79-5,090.45-2,355.48

Finding the Fourth Proportional to 3,400.79, 5,090.45 and 2,355.48

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Solution

The fourth proportional to 3,400.79, 5,090.45 and 2,355.48 is: 3,525.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,400.79 : 5,090.45 = 2,355.48 : x
  2. Step 2: Convert to fraction form
    3,400.79/5,090.45 = 2,355.48/x
  3. Step 3: Cross multiply
    3,400.79x = 5,090.45 × 2,355.48
  4. Step 4: Simplify right side
    3,400.79x = 11,990,441.39
  5. Step 5: Solve for x
    x = 11,990,441.39/3,400.79
  6. Step 6: Final answer
    x = 3,525.79

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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.