Home / 2,829.84-4,238.58-2,011.77

Finding the Fourth Proportional to 2,829.84, 4,238.58 and 2,011.77

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Solution

The fourth proportional to 2,829.84, 4,238.58 and 2,011.77 is: 3,013.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,829.84 : 4,238.58 = 2,011.77 : x
  2. Step 2: Convert to fraction form
    2,829.84/4,238.58 = 2,011.77/x
  3. Step 3: Cross multiply
    2,829.84x = 4,238.58 × 2,011.77
  4. Step 4: Simplify right side
    2,829.84x = 8,527,048.09
  5. Step 5: Solve for x
    x = 8,527,048.09/2,829.84
  6. Step 6: Final answer
    x = 3,013.26

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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.