Home / 2,109.50-3,160.29-1,950.38

Finding the Fourth Proportional to 2,109.50, 3,160.29 and 1,950.38

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Solution

The fourth proportional to 2,109.50, 3,160.29 and 1,950.38 is: 2,921.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,109.50 : 3,160.29 = 1,950.38 : x
  2. Step 2: Convert to fraction form
    2,109.50/3,160.29 = 1,950.38/x
  3. Step 3: Cross multiply
    2,109.50x = 3,160.29 × 1,950.38
  4. Step 4: Simplify right side
    2,109.50x = 6,163,766.41
  5. Step 5: Solve for x
    x = 6,163,766.41/2,109.50
  6. Step 6: Final answer
    x = 2,921.91

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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.