Home / 3,428.26-4,730.67-1,935.88

Finding the Fourth Proportional to 3,428.26, 4,730.67 and 1,935.88

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Solution

The fourth proportional to 3,428.26, 4,730.67 and 1,935.88 is: 2,671.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,428.26 : 4,730.67 = 1,935.88 : x
  2. Step 2: Convert to fraction form
    3,428.26/4,730.67 = 1,935.88/x
  3. Step 3: Cross multiply
    3,428.26x = 4,730.67 × 1,935.88
  4. Step 4: Simplify right side
    3,428.26x = 9,157,997.61
  5. Step 5: Solve for x
    x = 9,157,997.61/3,428.26
  6. Step 6: Final answer
    x = 2,671.33

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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.