Home / 2,861.64-4,271.93-2,735.56

Finding the Fourth Proportional to 2,861.64, 4,271.93 and 2,735.56

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Solution

The fourth proportional to 2,861.64, 4,271.93 and 2,735.56 is: 4,083.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,861.64 : 4,271.93 = 2,735.56 : x
  2. Step 2: Convert to fraction form
    2,861.64/4,271.93 = 2,735.56/x
  3. Step 3: Cross multiply
    2,861.64x = 4,271.93 × 2,735.56
  4. Step 4: Simplify right side
    2,861.64x = 11,686,120.83
  5. Step 5: Solve for x
    x = 11,686,120.83/2,861.64
  6. Step 6: Final answer
    x = 4,083.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.