Home / 3,747.13-5,621.48-1,114.64

Finding the Fourth Proportional to 3,747.13, 5,621.48 and 1,114.64

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Solution

The fourth proportional to 3,747.13, 5,621.48 and 1,114.64 is: 1,672.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,747.13 : 5,621.48 = 1,114.64 : x
  2. Step 2: Convert to fraction form
    3,747.13/5,621.48 = 1,114.64/x
  3. Step 3: Cross multiply
    3,747.13x = 5,621.48 × 1,114.64
  4. Step 4: Simplify right side
    3,747.13x = 6,265,918.05
  5. Step 5: Solve for x
    x = 6,265,918.05/3,747.13
  6. Step 6: Final answer
    x = 1,672.19

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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.