Home / 3,829.03-5,285.73-2,431.78

Finding the Fourth Proportional to 3,829.03, 5,285.73 and 2,431.78

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Solution

The fourth proportional to 3,829.03, 5,285.73 and 2,431.78 is: 3,356.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,829.03 : 5,285.73 = 2,431.78 : x
  2. Step 2: Convert to fraction form
    3,829.03/5,285.73 = 2,431.78/x
  3. Step 3: Cross multiply
    3,829.03x = 5,285.73 × 2,431.78
  4. Step 4: Simplify right side
    3,829.03x = 12,853,732.50
  5. Step 5: Solve for x
    x = 12,853,732.50/3,829.03
  6. Step 6: Final answer
    x = 3,356.92

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1.5x scale

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.