Home / 2,068.50-3,102.76-1,299.54

Finding the Fourth Proportional to 2,068.50, 3,102.76 and 1,299.54

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Solution

The fourth proportional to 2,068.50, 3,102.76 and 1,299.54 is: 1,949.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,068.50 : 3,102.76 = 1,299.54 : x
  2. Step 2: Convert to fraction form
    2,068.50/3,102.76 = 1,299.54/x
  3. Step 3: Cross multiply
    2,068.50x = 3,102.76 × 1,299.54
  4. Step 4: Simplify right side
    2,068.50x = 4,032,160.73
  5. Step 5: Solve for x
    x = 4,032,160.73/2,068.50
  6. Step 6: Final answer
    x = 1,949.32

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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.