Home / 3,428.27-4,731.01-1,856.36

Finding the Fourth Proportional to 3,428.27, 4,731.01 and 1,856.36

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Solution

The fourth proportional to 3,428.27, 4,731.01 and 1,856.36 is: 2,561.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,428.27 : 4,731.01 = 1,856.36 : x
  2. Step 2: Convert to fraction form
    3,428.27/4,731.01 = 1,856.36/x
  3. Step 3: Cross multiply
    3,428.27x = 4,731.01 × 1,856.36
  4. Step 4: Simplify right side
    3,428.27x = 8,782,464.91
  5. Step 5: Solve for x
    x = 8,782,464.91/3,428.27
  6. Step 6: Final answer
    x = 2,561.78

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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.