Home / 2,861.56-4,288.43-1,751.36

Finding the Fourth Proportional to 2,861.56, 4,288.43 and 1,751.36

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Solution

The fourth proportional to 2,861.56, 4,288.43 and 1,751.36 is: 2,624.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,861.56 : 4,288.43 = 1,751.36 : x
  2. Step 2: Convert to fraction form
    2,861.56/4,288.43 = 1,751.36/x
  3. Step 3: Cross multiply
    2,861.56x = 4,288.43 × 1,751.36
  4. Step 4: Simplify right side
    2,861.56x = 7,510,567.70
  5. Step 5: Solve for x
    x = 7,510,567.70/2,861.56
  6. Step 6: Final answer
    x = 2,624.64

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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.