Home / 2,719.83-4,082.25-1,681.86

Finding the Fourth Proportional to 2,719.83, 4,082.25 and 1,681.86

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Solution

The fourth proportional to 2,719.83, 4,082.25 and 1,681.86 is: 2,524.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,719.83 : 4,082.25 = 1,681.86 : x
  2. Step 2: Convert to fraction form
    2,719.83/4,082.25 = 1,681.86/x
  3. Step 3: Cross multiply
    2,719.83x = 4,082.25 × 1,681.86
  4. Step 4: Simplify right side
    2,719.83x = 6,865,772.99
  5. Step 5: Solve for x
    x = 6,865,772.99/2,719.83
  6. Step 6: Final answer
    x = 2,524.34

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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.