Home / 3,885.24-5,826.88-1,111.93

Finding the Fourth Proportional to 3,885.24, 5,826.88 and 1,111.93

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Solution

The fourth proportional to 3,885.24, 5,826.88 and 1,111.93 is: 1,667.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,885.24 : 5,826.88 = 1,111.93 : x
  2. Step 2: Convert to fraction form
    3,885.24/5,826.88 = 1,111.93/x
  3. Step 3: Cross multiply
    3,885.24x = 5,826.88 × 1,111.93
  4. Step 4: Simplify right side
    3,885.24x = 6,479,082.68
  5. Step 5: Solve for x
    x = 6,479,082.68/3,885.24
  6. Step 6: Final answer
    x = 1,667.61

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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.