Home / 3,102.87-4,281.67-1,758.54

Finding the Fourth Proportional to 3,102.87, 4,281.67 and 1,758.54

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Solution

The fourth proportional to 3,102.87, 4,281.67 and 1,758.54 is: 2,426.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,102.87 : 4,281.67 = 1,758.54 : x
  2. Step 2: Convert to fraction form
    3,102.87/4,281.67 = 1,758.54/x
  3. Step 3: Cross multiply
    3,102.87x = 4,281.67 × 1,758.54
  4. Step 4: Simplify right side
    3,102.87x = 7,529,487.96
  5. Step 5: Solve for x
    x = 7,529,487.96/3,102.87
  6. Step 6: Final answer
    x = 2,426.62

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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.