Home / 3,923.64-5,885.46-1,326.38

Finding the Fourth Proportional to 3,923.64, 5,885.46 and 1,326.38

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Solution

The fourth proportional to 3,923.64, 5,885.46 and 1,326.38 is: 1,989.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,923.64 : 5,885.46 = 1,326.38 : x
  2. Step 2: Convert to fraction form
    3,923.64/5,885.46 = 1,326.38/x
  3. Step 3: Cross multiply
    3,923.64x = 5,885.46 × 1,326.38
  4. Step 4: Simplify right side
    3,923.64x = 7,806,327.01
  5. Step 5: Solve for x
    x = 7,806,327.01/3,923.64
  6. Step 6: Final answer
    x = 1,989.56

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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.