Home / 3,803.13-5,247.36-2,230.92

Finding the Fourth Proportional to 3,803.13, 5,247.36 and 2,230.92

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Solution

The fourth proportional to 3,803.13, 5,247.36 and 2,230.92 is: 3,078.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,803.13 : 5,247.36 = 2,230.92 : x
  2. Step 2: Convert to fraction form
    3,803.13/5,247.36 = 2,230.92/x
  3. Step 3: Cross multiply
    3,803.13x = 5,247.36 × 2,230.92
  4. Step 4: Simplify right side
    3,803.13x = 11,706,440.37
  5. Step 5: Solve for x
    x = 11,706,440.37/3,803.13
  6. Step 6: Final answer
    x = 3,078.11

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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.