Home / 2,282.64-3,420.96-982.32

Finding the Fourth Proportional to 2,282.64, 3,420.96 and 982.32

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Solution

The fourth proportional to 2,282.64, 3,420.96 and 982.32 is: 1,472.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,282.64 : 3,420.96 = 982.32 : x
  2. Step 2: Convert to fraction form
    2,282.64/3,420.96 = 982.32/x
  3. Step 3: Cross multiply
    2,282.64x = 3,420.96 × 982.32
  4. Step 4: Simplify right side
    2,282.64x = 3,360,477.43
  5. Step 5: Solve for x
    x = 3,360,477.43/2,282.64
  6. Step 6: Final answer
    x = 1,472.19

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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.