Home / 3,904.08-5,853.38-1,438.58

Finding the Fourth Proportional to 3,904.08, 5,853.38 and 1,438.58

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Solution

The fourth proportional to 3,904.08, 5,853.38 and 1,438.58 is: 2,156.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,904.08 : 5,853.38 = 1,438.58 : x
  2. Step 2: Convert to fraction form
    3,904.08/5,853.38 = 1,438.58/x
  3. Step 3: Cross multiply
    3,904.08x = 5,853.38 × 1,438.58
  4. Step 4: Simplify right side
    3,904.08x = 8,420,518.94
  5. Step 5: Solve for x
    x = 8,420,518.94/3,904.08
  6. Step 6: Final answer
    x = 2,156.85

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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.