Home / 3,428.73-5,141.32-1,673.81

Finding the Fourth Proportional to 3,428.73, 5,141.32 and 1,673.81

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Solution

The fourth proportional to 3,428.73, 5,141.32 and 1,673.81 is: 2,509.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,428.73 : 5,141.32 = 1,673.81 : x
  2. Step 2: Convert to fraction form
    3,428.73/5,141.32 = 1,673.81/x
  3. Step 3: Cross multiply
    3,428.73x = 5,141.32 × 1,673.81
  4. Step 4: Simplify right side
    3,428.73x = 8,605,584.46
  5. Step 5: Solve for x
    x = 8,605,584.46/3,428.73
  6. Step 6: Final answer
    x = 2,509.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.