Home / 2,829.91-4,238.72-1,730.94

Finding the Fourth Proportional to 2,829.91, 4,238.72 and 1,730.94

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Solution

The fourth proportional to 2,829.91, 4,238.72 and 1,730.94 is: 2,592.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,829.91 : 4,238.72 = 1,730.94 : x
  2. Step 2: Convert to fraction form
    2,829.91/4,238.72 = 1,730.94/x
  3. Step 3: Cross multiply
    2,829.91x = 4,238.72 × 1,730.94
  4. Step 4: Simplify right side
    2,829.91x = 7,336,950.75
  5. Step 5: Solve for x
    x = 7,336,950.75/2,829.91
  6. Step 6: Final answer
    x = 2,592.65

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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.