Home / 3,895.14-5,835.68-2,138.24

Finding the Fourth Proportional to 3,895.14, 5,835.68 and 2,138.24

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Solution

The fourth proportional to 3,895.14, 5,835.68 and 2,138.24 is: 3,203.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,895.14 : 5,835.68 = 2,138.24 : x
  2. Step 2: Convert to fraction form
    3,895.14/5,835.68 = 2,138.24/x
  3. Step 3: Cross multiply
    3,895.14x = 5,835.68 × 2,138.24
  4. Step 4: Simplify right side
    3,895.14x = 12,478,084.40
  5. Step 5: Solve for x
    x = 12,478,084.40/3,895.14
  6. Step 6: Final answer
    x = 3,203.50

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1.5x scale

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.