Home / 3,409.03-5,114.86-1,330.51

Finding the Fourth Proportional to 3,409.03, 5,114.86 and 1,330.51

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Solution

The fourth proportional to 3,409.03, 5,114.86 and 1,330.51 is: 1,996.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,409.03 : 5,114.86 = 1,330.51 : x
  2. Step 2: Convert to fraction form
    3,409.03/5,114.86 = 1,330.51/x
  3. Step 3: Cross multiply
    3,409.03x = 5,114.86 × 1,330.51
  4. Step 4: Simplify right side
    3,409.03x = 6,805,365.86
  5. Step 5: Solve for x
    x = 6,805,365.86/3,409.03
  6. Step 6: Final answer
    x = 1,996.28

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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.