Home / 3,429.63-5,141.25-1,582.20

Finding the Fourth Proportional to 3,429.63, 5,141.25 and 1,582.20

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Solution

The fourth proportional to 3,429.63, 5,141.25 and 1,582.20 is: 2,371.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,429.63 : 5,141.25 = 1,582.20 : x
  2. Step 2: Convert to fraction form
    3,429.63/5,141.25 = 1,582.20/x
  3. Step 3: Cross multiply
    3,429.63x = 5,141.25 × 1,582.20
  4. Step 4: Simplify right side
    3,429.63x = 8,134,485.75
  5. Step 5: Solve for x
    x = 8,134,485.75/3,429.63
  6. Step 6: Final answer
    x = 2,371.83

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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.