Home / 3,238.34-4,859.13-1,291.91

Finding the Fourth Proportional to 3,238.34, 4,859.13 and 1,291.91

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Solution

The fourth proportional to 3,238.34, 4,859.13 and 1,291.91 is: 1,938.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,238.34 : 4,859.13 = 1,291.91 : x
  2. Step 2: Convert to fraction form
    3,238.34/4,859.13 = 1,291.91/x
  3. Step 3: Cross multiply
    3,238.34x = 4,859.13 × 1,291.91
  4. Step 4: Simplify right side
    3,238.34x = 6,277,558.64
  5. Step 5: Solve for x
    x = 6,277,558.64/3,238.34
  6. Step 6: Final answer
    x = 1,938.51

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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.