Home / 3,153.94-4,731.84-1,305.16

Finding the Fourth Proportional to 3,153.94, 4,731.84 and 1,305.16

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Solution

The fourth proportional to 3,153.94, 4,731.84 and 1,305.16 is: 1,958.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,153.94 : 4,731.84 = 1,305.16 : x
  2. Step 2: Convert to fraction form
    3,153.94/4,731.84 = 1,305.16/x
  3. Step 3: Cross multiply
    3,153.94x = 4,731.84 × 1,305.16
  4. Step 4: Simplify right side
    3,153.94x = 6,175,808.29
  5. Step 5: Solve for x
    x = 6,175,808.29/3,153.94
  6. Step 6: Final answer
    x = 1,958.12

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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.