Home / 3,748.10-5,620.80-1,898.60

Finding the Fourth Proportional to 3,748.10, 5,620.80 and 1,898.60

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Solution

The fourth proportional to 3,748.10, 5,620.80 and 1,898.60 is: 2,847.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,748.10 : 5,620.80 = 1,898.60 : x
  2. Step 2: Convert to fraction form
    3,748.10/5,620.80 = 1,898.60/x
  3. Step 3: Cross multiply
    3,748.10x = 5,620.80 × 1,898.60
  4. Step 4: Simplify right side
    3,748.10x = 10,671,650.88
  5. Step 5: Solve for x
    x = 10,671,650.88/3,748.10
  6. Step 6: Final answer
    x = 2,847.22

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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.