Home / 3,956.40-5,935.98-1,491.93

Finding the Fourth Proportional to 3,956.40, 5,935.98 and 1,491.93

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Solution

The fourth proportional to 3,956.40, 5,935.98 and 1,491.93 is: 2,238.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,956.40 : 5,935.98 = 1,491.93 : x
  2. Step 2: Convert to fraction form
    3,956.40/5,935.98 = 1,491.93/x
  3. Step 3: Cross multiply
    3,956.40x = 5,935.98 × 1,491.93
  4. Step 4: Simplify right side
    3,956.40x = 8,856,059.18
  5. Step 5: Solve for x
    x = 8,856,059.18/3,956.40
  6. Step 6: Final answer
    x = 2,238.41

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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.