Home / 3,406.38-5,109.60-1,762.08

Finding the Fourth Proportional to 3,406.38, 5,109.60 and 1,762.08

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Solution

The fourth proportional to 3,406.38, 5,109.60 and 1,762.08 is: 2,643.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,406.38 : 5,109.60 = 1,762.08 : x
  2. Step 2: Convert to fraction form
    3,406.38/5,109.60 = 1,762.08/x
  3. Step 3: Cross multiply
    3,406.38x = 5,109.60 × 1,762.08
  4. Step 4: Simplify right side
    3,406.38x = 9,003,523.97
  5. Step 5: Solve for x
    x = 9,003,523.97/3,406.38
  6. Step 6: Final answer
    x = 2,643.14

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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.