Home / 3,429.13-5,144.09-1,672.88

Finding the Fourth Proportional to 3,429.13, 5,144.09 and 1,672.88

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Solution

The fourth proportional to 3,429.13, 5,144.09 and 1,672.88 is: 2,509.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,429.13 : 5,144.09 = 1,672.88 : x
  2. Step 2: Convert to fraction form
    3,429.13/5,144.09 = 1,672.88/x
  3. Step 3: Cross multiply
    3,429.13x = 5,144.09 × 1,672.88
  4. Step 4: Simplify right side
    3,429.13x = 8,605,445.28
  5. Step 5: Solve for x
    x = 8,605,445.28/3,429.13
  6. Step 6: Final answer
    x = 2,509.51

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1.5x scale

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.