Home / 3,143.70-4,717.17-1,683.30

Finding the Fourth Proportional to 3,143.70, 4,717.17 and 1,683.30

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Solution

The fourth proportional to 3,143.70, 4,717.17 and 1,683.30 is: 2,525.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,143.70 : 4,717.17 = 1,683.30 : x
  2. Step 2: Convert to fraction form
    3,143.70/4,717.17 = 1,683.30/x
  3. Step 3: Cross multiply
    3,143.70x = 4,717.17 × 1,683.30
  4. Step 4: Simplify right side
    3,143.70x = 7,940,412.26
  5. Step 5: Solve for x
    x = 7,940,412.26/3,143.70
  6. Step 6: Final answer
    x = 2,525.82

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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.