Home / 3,409.48-5,115.03-1,460.62

Finding the Fourth Proportional to 3,409.48, 5,115.03 and 1,460.62

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Solution

The fourth proportional to 3,409.48, 5,115.03 and 1,460.62 is: 2,191.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,409.48 : 5,115.03 = 1,460.62 : x
  2. Step 2: Convert to fraction form
    3,409.48/5,115.03 = 1,460.62/x
  3. Step 3: Cross multiply
    3,409.48x = 5,115.03 × 1,460.62
  4. Step 4: Simplify right side
    3,409.48x = 7,471,115.12
  5. Step 5: Solve for x
    x = 7,471,115.12/3,409.48
  6. Step 6: Final answer
    x = 2,191.28

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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.