Home / 3,572.43-4,932.69-2,785.11

Finding the Fourth Proportional to 3,572.43, 4,932.69 and 2,785.11

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Solution

The fourth proportional to 3,572.43, 4,932.69 and 2,785.11 is: 3,845.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,572.43 : 4,932.69 = 2,785.11 : x
  2. Step 2: Convert to fraction form
    3,572.43/4,932.69 = 2,785.11/x
  3. Step 3: Cross multiply
    3,572.43x = 4,932.69 × 2,785.11
  4. Step 4: Simplify right side
    3,572.43x = 13,738,084.25
  5. Step 5: Solve for x
    x = 13,738,084.25/3,572.43
  6. Step 6: Final answer
    x = 3,845.59

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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.