Home / 3,544.47-5,315.57-1,172.11

Finding the Fourth Proportional to 3,544.47, 5,315.57 and 1,172.11

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Solution

The fourth proportional to 3,544.47, 5,315.57 and 1,172.11 is: 1,757.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,544.47 : 5,315.57 = 1,172.11 : x
  2. Step 2: Convert to fraction form
    3,544.47/5,315.57 = 1,172.11/x
  3. Step 3: Cross multiply
    3,544.47x = 5,315.57 × 1,172.11
  4. Step 4: Simplify right side
    3,544.47x = 6,230,432.75
  5. Step 5: Solve for x
    x = 6,230,432.75/3,544.47
  6. Step 6: Final answer
    x = 1,757.79

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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.