Home / 3,744.45-5,614.79-1,147.05

Finding the Fourth Proportional to 3,744.45, 5,614.79 and 1,147.05

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Solution

The fourth proportional to 3,744.45, 5,614.79 and 1,147.05 is: 1,720.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,744.45 : 5,614.79 = 1,147.05 : x
  2. Step 2: Convert to fraction form
    3,744.45/5,614.79 = 1,147.05/x
  3. Step 3: Cross multiply
    3,744.45x = 5,614.79 × 1,147.05
  4. Step 4: Simplify right side
    3,744.45x = 6,440,439.13
  5. Step 5: Solve for x
    x = 6,440,439.13/3,744.45
  6. Step 6: Final answer
    x = 1,720.00

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1.5x scale

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.