Home / 3,877.36-5,809.86-2,025.76

Finding the Fourth Proportional to 3,877.36, 5,809.86 and 2,025.76

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Solution

The fourth proportional to 3,877.36, 5,809.86 and 2,025.76 is: 3,035.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,877.36 : 5,809.86 = 2,025.76 : x
  2. Step 2: Convert to fraction form
    3,877.36/5,809.86 = 2,025.76/x
  3. Step 3: Cross multiply
    3,877.36x = 5,809.86 × 2,025.76
  4. Step 4: Simplify right side
    3,877.36x = 11,769,381.99
  5. Step 5: Solve for x
    x = 11,769,381.99/3,877.36
  6. Step 6: Final answer
    x = 3,035.41

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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.