Home / 3,403.42-5,105.23-1,322.93

Finding the Fourth Proportional to 3,403.42, 5,105.23 and 1,322.93

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Solution

The fourth proportional to 3,403.42, 5,105.23 and 1,322.93 is: 1,984.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,403.42 : 5,105.23 = 1,322.93 : x
  2. Step 2: Convert to fraction form
    3,403.42/5,105.23 = 1,322.93/x
  3. Step 3: Cross multiply
    3,403.42x = 5,105.23 × 1,322.93
  4. Step 4: Simplify right side
    3,403.42x = 6,753,871.38
  5. Step 5: Solve for x
    x = 6,753,871.38/3,403.42
  6. Step 6: Final answer
    x = 1,984.44

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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.