Home / 3,406.44-5,109.95-1,432.64

Finding the Fourth Proportional to 3,406.44, 5,109.95 and 1,432.64

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Solution

The fourth proportional to 3,406.44, 5,109.95 and 1,432.64 is: 2,149.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,406.44 : 5,109.95 = 1,432.64 : x
  2. Step 2: Convert to fraction form
    3,406.44/5,109.95 = 1,432.64/x
  3. Step 3: Cross multiply
    3,406.44x = 5,109.95 × 1,432.64
  4. Step 4: Simplify right side
    3,406.44x = 7,320,686.06
  5. Step 5: Solve for x
    x = 7,320,686.06/3,406.44
  6. Step 6: Final answer
    x = 2,149.07

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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.