Home / 3,426.52-4,728.68-2,029.28

Finding the Fourth Proportional to 3,426.52, 4,728.68 and 2,029.28

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Solution

The fourth proportional to 3,426.52, 4,728.68 and 2,029.28 is: 2,800.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,426.52 : 4,728.68 = 2,029.28 : x
  2. Step 2: Convert to fraction form
    3,426.52/4,728.68 = 2,029.28/x
  3. Step 3: Cross multiply
    3,426.52x = 4,728.68 × 2,029.28
  4. Step 4: Simplify right side
    3,426.52x = 9,595,815.75
  5. Step 5: Solve for x
    x = 9,595,815.75/3,426.52
  6. Step 6: Final answer
    x = 2,800.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.