Home / 3,808.63-5,711.73-1,210.96

Finding the Fourth Proportional to 3,808.63, 5,711.73 and 1,210.96

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Solution

The fourth proportional to 3,808.63, 5,711.73 and 1,210.96 is: 1,816.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,808.63 : 5,711.73 = 1,210.96 : x
  2. Step 2: Convert to fraction form
    3,808.63/5,711.73 = 1,210.96/x
  3. Step 3: Cross multiply
    3,808.63x = 5,711.73 × 1,210.96
  4. Step 4: Simplify right side
    3,808.63x = 6,916,676.56
  5. Step 5: Solve for x
    x = 6,916,676.56/3,808.63
  6. Step 6: Final answer
    x = 1,816.05

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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.