Home / 3,172.14-4,756.41-2,655.36

Finding the Fourth Proportional to 3,172.14, 4,756.41 and 2,655.36

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Solution

The fourth proportional to 3,172.14, 4,756.41 and 2,655.36 is: 3,981.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,172.14 : 4,756.41 = 2,655.36 : x
  2. Step 2: Convert to fraction form
    3,172.14/4,756.41 = 2,655.36/x
  3. Step 3: Cross multiply
    3,172.14x = 4,756.41 × 2,655.36
  4. Step 4: Simplify right side
    3,172.14x = 12,629,980.86
  5. Step 5: Solve for x
    x = 12,629,980.86/3,172.14
  6. Step 6: Final answer
    x = 3,981.53

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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.