Home / 1,727.42-2,592.35-1,338.32

Finding the Fourth Proportional to 1,727.42, 2,592.35 and 1,338.32

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Solution

The fourth proportional to 1,727.42, 2,592.35 and 1,338.32 is: 2,008.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,727.42 : 2,592.35 = 1,338.32 : x
  2. Step 2: Convert to fraction form
    1,727.42/2,592.35 = 1,338.32/x
  3. Step 3: Cross multiply
    1,727.42x = 2,592.35 × 1,338.32
  4. Step 4: Simplify right side
    1,727.42x = 3,469,393.85
  5. Step 5: Solve for x
    x = 3,469,393.85/1,727.42
  6. Step 6: Final answer
    x = 2,008.43

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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.