Home / 2,719.23-4,078.41-2,259.96

Finding the Fourth Proportional to 2,719.23, 4,078.41 and 2,259.96

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Solution

The fourth proportional to 2,719.23, 4,078.41 and 2,259.96 is: 3,389.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,719.23 : 4,078.41 = 2,259.96 : x
  2. Step 2: Convert to fraction form
    2,719.23/4,078.41 = 2,259.96/x
  3. Step 3: Cross multiply
    2,719.23x = 4,078.41 × 2,259.96
  4. Step 4: Simplify right side
    2,719.23x = 9,217,043.46
  5. Step 5: Solve for x
    x = 9,217,043.46/2,719.23
  6. Step 6: Final answer
    x = 3,389.58

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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.