Home / 3,778.14-5,214.87-2,285.82

Finding the Fourth Proportional to 3,778.14, 5,214.87 and 2,285.82

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Solution

The fourth proportional to 3,778.14, 5,214.87 and 2,285.82 is: 3,155.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,778.14 : 5,214.87 = 2,285.82 : x
  2. Step 2: Convert to fraction form
    3,778.14/5,214.87 = 2,285.82/x
  3. Step 3: Cross multiply
    3,778.14x = 5,214.87 × 2,285.82
  4. Step 4: Simplify right side
    3,778.14x = 11,920,254.14
  5. Step 5: Solve for x
    x = 11,920,254.14/3,778.14
  6. Step 6: Final answer
    x = 3,155.06

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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.