Home / 3,153.95-4,731.45-1,073.75

Finding the Fourth Proportional to 3,153.95, 4,731.45 and 1,073.75

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Solution

The fourth proportional to 3,153.95, 4,731.45 and 1,073.75 is: 1,610.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,153.95 : 4,731.45 = 1,073.75 : x
  2. Step 2: Convert to fraction form
    3,153.95/4,731.45 = 1,073.75/x
  3. Step 3: Cross multiply
    3,153.95x = 4,731.45 × 1,073.75
  4. Step 4: Simplify right side
    3,153.95x = 5,080,370.78
  5. Step 5: Solve for x
    x = 5,080,370.78/3,153.95
  6. Step 6: Final answer
    x = 1,610.79

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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.