Home / 3,719.76-5,580.90-2,331.42

Finding the Fourth Proportional to 3,719.76, 5,580.90 and 2,331.42

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Solution

The fourth proportional to 3,719.76, 5,580.90 and 2,331.42 is: 3,497.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,719.76 : 5,580.90 = 2,331.42 : x
  2. Step 2: Convert to fraction form
    3,719.76/5,580.90 = 2,331.42/x
  3. Step 3: Cross multiply
    3,719.76x = 5,580.90 × 2,331.42
  4. Step 4: Simplify right side
    3,719.76x = 13,011,421.88
  5. Step 5: Solve for x
    x = 13,011,421.88/3,719.76
  6. Step 6: Final answer
    x = 3,497.92

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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.