Home / 3,420.99-4,719.96-2,094.57

Finding the Fourth Proportional to 3,420.99, 4,719.96 and 2,094.57

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Solution

The fourth proportional to 3,420.99, 4,719.96 and 2,094.57 is: 2,889.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,420.99 : 4,719.96 = 2,094.57 : x
  2. Step 2: Convert to fraction form
    3,420.99/4,719.96 = 2,094.57/x
  3. Step 3: Cross multiply
    3,420.99x = 4,719.96 × 2,094.57
  4. Step 4: Simplify right side
    3,420.99x = 9,886,286.62
  5. Step 5: Solve for x
    x = 9,886,286.62/3,420.99
  6. Step 6: Final answer
    x = 2,889.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.