Home / 3,923.05-5,885.73-1,581.86

Finding the Fourth Proportional to 3,923.05, 5,885.73 and 1,581.86

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Solution

The fourth proportional to 3,923.05, 5,885.73 and 1,581.86 is: 2,373.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,923.05 : 5,885.73 = 1,581.86 : x
  2. Step 2: Convert to fraction form
    3,923.05/5,885.73 = 1,581.86/x
  3. Step 3: Cross multiply
    3,923.05x = 5,885.73 × 1,581.86
  4. Step 4: Simplify right side
    3,923.05x = 9,310,400.86
  5. Step 5: Solve for x
    x = 9,310,400.86/3,923.05
  6. Step 6: Final answer
    x = 2,373.26

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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.