Home / 4,143.96-5,719.38-2,651.81

Finding the Fourth Proportional to 4,143.96, 5,719.38 and 2,651.81

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Solution

The fourth proportional to 4,143.96, 5,719.38 and 2,651.81 is: 3,659.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,143.96 : 5,719.38 = 2,651.81 : x
  2. Step 2: Convert to fraction form
    4,143.96/5,719.38 = 2,651.81/x
  3. Step 3: Cross multiply
    4,143.96x = 5,719.38 × 2,651.81
  4. Step 4: Simplify right side
    4,143.96x = 15,166,667.22
  5. Step 5: Solve for x
    x = 15,166,667.22/4,143.96
  6. Step 6: Final answer
    x = 3,659.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.