Home / 3,898.34-5,847.90-1,125.08

Finding the Fourth Proportional to 3,898.34, 5,847.90 and 1,125.08

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Solution

The fourth proportional to 3,898.34, 5,847.90 and 1,125.08 is: 1,687.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,898.34 : 5,847.90 = 1,125.08 : x
  2. Step 2: Convert to fraction form
    3,898.34/5,847.90 = 1,125.08/x
  3. Step 3: Cross multiply
    3,898.34x = 5,847.90 × 1,125.08
  4. Step 4: Simplify right side
    3,898.34x = 6,579,355.33
  5. Step 5: Solve for x
    x = 6,579,355.33/3,898.34
  6. Step 6: Final answer
    x = 1,687.73

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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.