Home / 3,428.98-4,732-1,857.07

Finding the Fourth Proportional to 3,428.98, 4,732 and 1,857.07

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Solution

The fourth proportional to 3,428.98, 4,732 and 1,857.07 is: 2,562.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,428.98 : 4,732 = 1,857.07 : x
  2. Step 2: Convert to fraction form
    3,428.98/4,732 = 1,857.07/x
  3. Step 3: Cross multiply
    3,428.98x = 4,732 × 1,857.07
  4. Step 4: Simplify right side
    3,428.98x = 8,787,655.24
  5. Step 5: Solve for x
    x = 8,787,655.24/3,428.98
  6. Step 6: Final answer
    x = 2,562.76

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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.