Home / 3,153.90-4,731.63-1,073.89

Finding the Fourth Proportional to 3,153.90, 4,731.63 and 1,073.89

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Solution

The fourth proportional to 3,153.90, 4,731.63 and 1,073.89 is: 1,611.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,153.90 : 4,731.63 = 1,073.89 : x
  2. Step 2: Convert to fraction form
    3,153.90/4,731.63 = 1,073.89/x
  3. Step 3: Cross multiply
    3,153.90x = 4,731.63 × 1,073.89
  4. Step 4: Simplify right side
    3,153.90x = 5,081,221.11
  5. Step 5: Solve for x
    x = 5,081,221.11/3,153.90
  6. Step 6: Final answer
    x = 1,611.09

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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.