Home / 3,748.23-5,621.37-1,115.03

Finding the Fourth Proportional to 3,748.23, 5,621.37 and 1,115.03

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Solution

The fourth proportional to 3,748.23, 5,621.37 and 1,115.03 is: 1,672.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,748.23 : 5,621.37 = 1,115.03 : x
  2. Step 2: Convert to fraction form
    3,748.23/5,621.37 = 1,115.03/x
  3. Step 3: Cross multiply
    3,748.23x = 5,621.37 × 1,115.03
  4. Step 4: Simplify right side
    3,748.23x = 6,267,993.40
  5. Step 5: Solve for x
    x = 6,267,993.40/3,748.23
  6. Step 6: Final answer
    x = 1,672.25

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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.