Home / 3,923.21-5,885.90-1,581.77

Finding the Fourth Proportional to 3,923.21, 5,885.90 and 1,581.77

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Solution

The fourth proportional to 3,923.21, 5,885.90 and 1,581.77 is: 2,373.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,923.21 : 5,885.90 = 1,581.77 : x
  2. Step 2: Convert to fraction form
    3,923.21/5,885.90 = 1,581.77/x
  3. Step 3: Cross multiply
    3,923.21x = 5,885.90 × 1,581.77
  4. Step 4: Simplify right side
    3,923.21x = 9,310,132.13
  5. Step 5: Solve for x
    x = 9,310,132.13/3,923.21
  6. Step 6: Final answer
    x = 2,373.09

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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.