Home / 2,106.06-3,159.12-951.80

Finding the Fourth Proportional to 2,106.06, 3,159.12 and 951.80

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Solution

The fourth proportional to 2,106.06, 3,159.12 and 951.80 is: 1,427.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,106.06 : 3,159.12 = 951.80 : x
  2. Step 2: Convert to fraction form
    2,106.06/3,159.12 = 951.80/x
  3. Step 3: Cross multiply
    2,106.06x = 3,159.12 × 951.80
  4. Step 4: Simplify right side
    2,106.06x = 3,006,850.42
  5. Step 5: Solve for x
    x = 3,006,850.42/2,106.06
  6. Step 6: Final answer
    x = 1,427.71

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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.