Home / 3,830.14-5,285.41-2,257.93

Finding the Fourth Proportional to 3,830.14, 5,285.41 and 2,257.93

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Solution

The fourth proportional to 3,830.14, 5,285.41 and 2,257.93 is: 3,115.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,830.14 : 5,285.41 = 2,257.93 : x
  2. Step 2: Convert to fraction form
    3,830.14/5,285.41 = 2,257.93/x
  3. Step 3: Cross multiply
    3,830.14x = 5,285.41 × 2,257.93
  4. Step 4: Simplify right side
    3,830.14x = 11,934,085.80
  5. Step 5: Solve for x
    x = 11,934,085.80/3,830.14
  6. Step 6: Final answer
    x = 3,115.84

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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.