Home / 2,144.70-2,966.21-1,923.57

Finding the Fourth Proportional to 2,144.70, 2,966.21 and 1,923.57

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Solution

The fourth proportional to 2,144.70, 2,966.21 and 1,923.57 is: 2,660.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,144.70 : 2,966.21 = 1,923.57 : x
  2. Step 2: Convert to fraction form
    2,144.70/2,966.21 = 1,923.57/x
  3. Step 3: Cross multiply
    2,144.70x = 2,966.21 × 1,923.57
  4. Step 4: Simplify right side
    2,144.70x = 5,705,702.95
  5. Step 5: Solve for x
    x = 5,705,702.95/2,144.70
  6. Step 6: Final answer
    x = 2,660.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.