Home / 2,551.50-3,825.23-1,319.09

Finding the Fourth Proportional to 2,551.50, 3,825.23 and 1,319.09

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Solution

The fourth proportional to 2,551.50, 3,825.23 and 1,319.09 is: 1,977.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,551.50 : 3,825.23 = 1,319.09 : x
  2. Step 2: Convert to fraction form
    2,551.50/3,825.23 = 1,319.09/x
  3. Step 3: Cross multiply
    2,551.50x = 3,825.23 × 1,319.09
  4. Step 4: Simplify right side
    2,551.50x = 5,045,796.92
  5. Step 5: Solve for x
    x = 5,045,796.92/2,551.50
  6. Step 6: Final answer
    x = 1,977.58

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1.5x scale

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.