Home / 3,428.94-4,731.93-1,857.03

Finding the Fourth Proportional to 3,428.94, 4,731.93 and 1,857.03

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Solution

The fourth proportional to 3,428.94, 4,731.93 and 1,857.03 is: 2,562.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,428.94 : 4,731.93 = 1,857.03 : x
  2. Step 2: Convert to fraction form
    3,428.94/4,731.93 = 1,857.03/x
  3. Step 3: Cross multiply
    3,428.94x = 4,731.93 × 1,857.03
  4. Step 4: Simplify right side
    3,428.94x = 8,787,335.97
  5. Step 5: Solve for x
    x = 8,787,335.97/3,428.94
  6. Step 6: Final answer
    x = 2,562.70

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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.