Home / 3,182.50-4,391.76-1,785.25

Finding the Fourth Proportional to 3,182.50, 4,391.76 and 1,785.25

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Solution

The fourth proportional to 3,182.50, 4,391.76 and 1,785.25 is: 2,463.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,182.50 : 4,391.76 = 1,785.25 : x
  2. Step 2: Convert to fraction form
    3,182.50/4,391.76 = 1,785.25/x
  3. Step 3: Cross multiply
    3,182.50x = 4,391.76 × 1,785.25
  4. Step 4: Simplify right side
    3,182.50x = 7,840,389.54
  5. Step 5: Solve for x
    x = 7,840,389.54/3,182.50
  6. Step 6: Final answer
    x = 2,463.59

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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.