Home / 3,617.27-5,426.69-1,539.05

Finding the Fourth Proportional to 3,617.27, 5,426.69 and 1,539.05

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Solution

The fourth proportional to 3,617.27, 5,426.69 and 1,539.05 is: 2,308.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,617.27 : 5,426.69 = 1,539.05 : x
  2. Step 2: Convert to fraction form
    3,617.27/5,426.69 = 1,539.05/x
  3. Step 3: Cross multiply
    3,617.27x = 5,426.69 × 1,539.05
  4. Step 4: Simplify right side
    3,617.27x = 8,351,912.42
  5. Step 5: Solve for x
    x = 8,351,912.42/3,617.27
  6. Step 6: Final answer
    x = 2,308.90

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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.