Home / 3,435.21-5,143.59-2,826.27

Finding the Fourth Proportional to 3,435.21, 5,143.59 and 2,826.27

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Solution

The fourth proportional to 3,435.21, 5,143.59 and 2,826.27 is: 4,231.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,435.21 : 5,143.59 = 2,826.27 : x
  2. Step 2: Convert to fraction form
    3,435.21/5,143.59 = 2,826.27/x
  3. Step 3: Cross multiply
    3,435.21x = 5,143.59 × 2,826.27
  4. Step 4: Simplify right side
    3,435.21x = 14,537,174.11
  5. Step 5: Solve for x
    x = 14,537,174.11/3,435.21
  6. Step 6: Final answer
    x = 4,231.82

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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.