Home / 3,280.36-4,921.82-1,892.96

Finding the Fourth Proportional to 3,280.36, 4,921.82 and 1,892.96

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Solution

The fourth proportional to 3,280.36, 4,921.82 and 1,892.96 is: 2,840.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280.36 : 4,921.82 = 1,892.96 : x
  2. Step 2: Convert to fraction form
    3,280.36/4,921.82 = 1,892.96/x
  3. Step 3: Cross multiply
    3,280.36x = 4,921.82 × 1,892.96
  4. Step 4: Simplify right side
    3,280.36x = 9,316,808.39
  5. Step 5: Solve for x
    x = 9,316,808.39/3,280.36
  6. Step 6: Final answer
    x = 2,840.18

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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.