Home / 2,106.18-3,160.62-1,229.49

Finding the Fourth Proportional to 2,106.18, 3,160.62 and 1,229.49

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Solution

The fourth proportional to 2,106.18, 3,160.62 and 1,229.49 is: 1,845.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,106.18 : 3,160.62 = 1,229.49 : x
  2. Step 2: Convert to fraction form
    2,106.18/3,160.62 = 1,229.49/x
  3. Step 3: Cross multiply
    2,106.18x = 3,160.62 × 1,229.49
  4. Step 4: Simplify right side
    2,106.18x = 3,885,950.68
  5. Step 5: Solve for x
    x = 3,885,950.68/2,106.18
  6. Step 6: Final answer
    x = 1,845.02

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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.