Home / 2,568.70-3,545.94-1,729.96

Finding the Fourth Proportional to 2,568.70, 3,545.94 and 1,729.96

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Solution

The fourth proportional to 2,568.70, 3,545.94 and 1,729.96 is: 2,388.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,568.70 : 3,545.94 = 1,729.96 : x
  2. Step 2: Convert to fraction form
    2,568.70/3,545.94 = 1,729.96/x
  3. Step 3: Cross multiply
    2,568.70x = 3,545.94 × 1,729.96
  4. Step 4: Simplify right side
    2,568.70x = 6,134,334.36
  5. Step 5: Solve for x
    x = 6,134,334.36/2,568.70
  6. Step 6: Final answer
    x = 2,388.11

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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.