Home / 3,254.38-4,491.85-1,857.94

Finding the Fourth Proportional to 3,254.38, 4,491.85 and 1,857.94

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Solution

The fourth proportional to 3,254.38, 4,491.85 and 1,857.94 is: 2,564.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,254.38 : 4,491.85 = 1,857.94 : x
  2. Step 2: Convert to fraction form
    3,254.38/4,491.85 = 1,857.94/x
  3. Step 3: Cross multiply
    3,254.38x = 4,491.85 × 1,857.94
  4. Step 4: Simplify right side
    3,254.38x = 8,345,565.33
  5. Step 5: Solve for x
    x = 8,345,565.33/3,254.38
  6. Step 6: Final answer
    x = 2,564.41

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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.