Home / 4,238.14-6,359.04-2,291.72

Finding the Fourth Proportional to 4,238.14, 6,359.04 and 2,291.72

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Solution

The fourth proportional to 4,238.14, 6,359.04 and 2,291.72 is: 3,438.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,238.14 : 6,359.04 = 2,291.72 : x
  2. Step 2: Convert to fraction form
    4,238.14/6,359.04 = 2,291.72/x
  3. Step 3: Cross multiply
    4,238.14x = 6,359.04 × 2,291.72
  4. Step 4: Simplify right side
    4,238.14x = 14,573,139.15
  5. Step 5: Solve for x
    x = 14,573,139.15/4,238.14
  6. Step 6: Final answer
    x = 3,438.57

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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.