Home / 3,428.91-4,732.16-1,937.30

Finding the Fourth Proportional to 3,428.91, 4,732.16 and 1,937.30

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Solution

The fourth proportional to 3,428.91, 4,732.16 and 1,937.30 is: 2,673.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,428.91 : 4,732.16 = 1,937.30 : x
  2. Step 2: Convert to fraction form
    3,428.91/4,732.16 = 1,937.30/x
  3. Step 3: Cross multiply
    3,428.91x = 4,732.16 × 1,937.30
  4. Step 4: Simplify right side
    3,428.91x = 9,167,580.22
  5. Step 5: Solve for x
    x = 9,167,580.22/3,428.91
  6. Step 6: Final answer
    x = 2,673.61

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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.