Home / 3,800.37-5,244.49-2,121.76

Finding the Fourth Proportional to 3,800.37, 5,244.49 and 2,121.76

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Solution

The fourth proportional to 3,800.37, 5,244.49 and 2,121.76 is: 2,928.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,800.37 : 5,244.49 = 2,121.76 : x
  2. Step 2: Convert to fraction form
    3,800.37/5,244.49 = 2,121.76/x
  3. Step 3: Cross multiply
    3,800.37x = 5,244.49 × 2,121.76
  4. Step 4: Simplify right side
    3,800.37x = 11,127,549.10
  5. Step 5: Solve for x
    x = 11,127,549.10/3,800.37
  6. Step 6: Final answer
    x = 2,928.02

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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.