Home / 2,250.42-3,380.50-1,904.45

Finding the Fourth Proportional to 2,250.42, 3,380.50 and 1,904.45

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Solution

The fourth proportional to 2,250.42, 3,380.50 and 1,904.45 is: 2,860.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,250.42 : 3,380.50 = 1,904.45 : x
  2. Step 2: Convert to fraction form
    2,250.42/3,380.50 = 1,904.45/x
  3. Step 3: Cross multiply
    2,250.42x = 3,380.50 × 1,904.45
  4. Step 4: Simplify right side
    2,250.42x = 6,437,978.70
  5. Step 5: Solve for x
    x = 6,437,978.70/2,250.42
  6. Step 6: Final answer
    x = 2,860.79

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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.