Home / 2,825.24-4,235.34-1,437.80

Finding the Fourth Proportional to 2,825.24, 4,235.34 and 1,437.80

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Solution

The fourth proportional to 2,825.24, 4,235.34 and 1,437.80 is: 2,155.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,825.24 : 4,235.34 = 1,437.80 : x
  2. Step 2: Convert to fraction form
    2,825.24/4,235.34 = 1,437.80/x
  3. Step 3: Cross multiply
    2,825.24x = 4,235.34 × 1,437.80
  4. Step 4: Simplify right side
    2,825.24x = 6,089,571.85
  5. Step 5: Solve for x
    x = 6,089,571.85/2,825.24
  6. Step 6: Final answer
    x = 2,155.42

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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.