Home / 3,426.64-4,728.68-2,029.39

Finding the Fourth Proportional to 3,426.64, 4,728.68 and 2,029.39

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Solution

The fourth proportional to 3,426.64, 4,728.68 and 2,029.39 is: 2,800.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,426.64 : 4,728.68 = 2,029.39 : x
  2. Step 2: Convert to fraction form
    3,426.64/4,728.68 = 2,029.39/x
  3. Step 3: Cross multiply
    3,426.64x = 4,728.68 × 2,029.39
  4. Step 4: Simplify right side
    3,426.64x = 9,596,321.55
  5. Step 5: Solve for x
    x = 9,596,321.55/3,426.64
  6. Step 6: Final answer
    x = 2,800.51

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1.5x scale

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.