Home / 2,146.17-3,219.66-1,222.77

Finding the Fourth Proportional to 2,146.17, 3,219.66 and 1,222.77

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Solution

The fourth proportional to 2,146.17, 3,219.66 and 1,222.77 is: 1,834.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,146.17 : 3,219.66 = 1,222.77 : x
  2. Step 2: Convert to fraction form
    2,146.17/3,219.66 = 1,222.77/x
  3. Step 3: Cross multiply
    2,146.17x = 3,219.66 × 1,222.77
  4. Step 4: Simplify right side
    2,146.17x = 3,936,903.66
  5. Step 5: Solve for x
    x = 3,936,903.66/2,146.17
  6. Step 6: Final answer
    x = 1,834.39

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1.5x scale

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.