Home / 2,151.53-2,965.97-1,520.95

Finding the Fourth Proportional to 2,151.53, 2,965.97 and 1,520.95

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Solution

The fourth proportional to 2,151.53, 2,965.97 and 1,520.95 is: 2,096.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,151.53 : 2,965.97 = 1,520.95 : x
  2. Step 2: Convert to fraction form
    2,151.53/2,965.97 = 1,520.95/x
  3. Step 3: Cross multiply
    2,151.53x = 2,965.97 × 1,520.95
  4. Step 4: Simplify right side
    2,151.53x = 4,511,088.46
  5. Step 5: Solve for x
    x = 4,511,088.46/2,151.53
  6. Step 6: Final answer
    x = 2,096.69

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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.