Home / 3,739.21-5,608.83-1,142.14

Finding the Fourth Proportional to 3,739.21, 5,608.83 and 1,142.14

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Solution

The fourth proportional to 3,739.21, 5,608.83 and 1,142.14 is: 1,713.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,739.21 : 5,608.83 = 1,142.14 : x
  2. Step 2: Convert to fraction form
    3,739.21/5,608.83 = 1,142.14/x
  3. Step 3: Cross multiply
    3,739.21x = 5,608.83 × 1,142.14
  4. Step 4: Simplify right side
    3,739.21x = 6,406,069.10
  5. Step 5: Solve for x
    x = 6,406,069.10/3,739.21
  6. Step 6: Final answer
    x = 1,713.21

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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.