Home / 2,064.20-3,092.70-1,719.76

Finding the Fourth Proportional to 2,064.20, 3,092.70 and 1,719.76

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Solution

The fourth proportional to 2,064.20, 3,092.70 and 1,719.76 is: 2,576.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,064.20 : 3,092.70 = 1,719.76 : x
  2. Step 2: Convert to fraction form
    2,064.20/3,092.70 = 1,719.76/x
  3. Step 3: Cross multiply
    2,064.20x = 3,092.70 × 1,719.76
  4. Step 4: Simplify right side
    2,064.20x = 5,318,701.75
  5. Step 5: Solve for x
    x = 5,318,701.75/2,064.20
  6. Step 6: Final answer
    x = 2,576.64

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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.