Home / 3,153.13-4,729.61-1,073.12

Finding the Fourth Proportional to 3,153.13, 4,729.61 and 1,073.12

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Solution

The fourth proportional to 3,153.13, 4,729.61 and 1,073.12 is: 1,609.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,153.13 : 4,729.61 = 1,073.12 : x
  2. Step 2: Convert to fraction form
    3,153.13/4,729.61 = 1,073.12/x
  3. Step 3: Cross multiply
    3,153.13x = 4,729.61 × 1,073.12
  4. Step 4: Simplify right side
    3,153.13x = 5,075,418.12
  5. Step 5: Solve for x
    x = 5,075,418.12/3,153.13
  6. Step 6: Final answer
    x = 1,609.65

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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.