Home / 3,711.35-5,558.92-1,628.57

Finding the Fourth Proportional to 3,711.35, 5,558.92 and 1,628.57

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Solution

The fourth proportional to 3,711.35, 5,558.92 and 1,628.57 is: 2,439.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,711.35 : 5,558.92 = 1,628.57 : x
  2. Step 2: Convert to fraction form
    3,711.35/5,558.92 = 1,628.57/x
  3. Step 3: Cross multiply
    3,711.35x = 5,558.92 × 1,628.57
  4. Step 4: Simplify right side
    3,711.35x = 9,053,090.34
  5. Step 5: Solve for x
    x = 9,053,090.34/3,711.35
  6. Step 6: Final answer
    x = 2,439.30

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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.