Home / 3,153.88-4,731.38-1,303.96

Finding the Fourth Proportional to 3,153.88, 4,731.38 and 1,303.96

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Solution

The fourth proportional to 3,153.88, 4,731.38 and 1,303.96 is: 1,956.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,153.88 : 4,731.38 = 1,303.96 : x
  2. Step 2: Convert to fraction form
    3,153.88/4,731.38 = 1,303.96/x
  3. Step 3: Cross multiply
    3,153.88x = 4,731.38 × 1,303.96
  4. Step 4: Simplify right side
    3,153.88x = 6,169,544.49
  5. Step 5: Solve for x
    x = 6,169,544.49/3,153.88
  6. Step 6: Final answer
    x = 1,956.17

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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.