Home / 3,123.19-4,310.00-1,797.16

Finding the Fourth Proportional to 3,123.19, 4,310.00 and 1,797.16

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Solution

The fourth proportional to 3,123.19, 4,310.00 and 1,797.16 is: 2,480.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,123.19 : 4,310.00 = 1,797.16 : x
  2. Step 2: Convert to fraction form
    3,123.19/4,310.00 = 1,797.16/x
  3. Step 3: Cross multiply
    3,123.19x = 4,310.00 × 1,797.16
  4. Step 4: Simplify right side
    3,123.19x = 7,745,729.06
  5. Step 5: Solve for x
    x = 7,745,729.06/3,123.19
  6. Step 6: Final answer
    x = 2,480.07

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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.