Home / 3,143.21-4,337.64-1,727.00

Finding the Fourth Proportional to 3,143.21, 4,337.64 and 1,727.00

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Solution

The fourth proportional to 3,143.21, 4,337.64 and 1,727.00 is: 2,383.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,143.21 : 4,337.64 = 1,727.00 : x
  2. Step 2: Convert to fraction form
    3,143.21/4,337.64 = 1,727.00/x
  3. Step 3: Cross multiply
    3,143.21x = 4,337.64 × 1,727.00
  4. Step 4: Simplify right side
    3,143.21x = 7,491,118.96
  5. Step 5: Solve for x
    x = 7,491,118.96/3,143.21
  6. Step 6: Final answer
    x = 2,383.27

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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.