Home / 3,421.14-4,719.90-2,242.86

Finding the Fourth Proportional to 3,421.14, 4,719.90 and 2,242.86

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Solution

The fourth proportional to 3,421.14, 4,719.90 and 2,242.86 is: 3,094.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,421.14 : 4,719.90 = 2,242.86 : x
  2. Step 2: Convert to fraction form
    3,421.14/4,719.90 = 2,242.86/x
  3. Step 3: Cross multiply
    3,421.14x = 4,719.90 × 2,242.86
  4. Step 4: Simplify right side
    3,421.14x = 10,586,074.91
  5. Step 5: Solve for x
    x = 10,586,074.91/3,421.14
  6. Step 6: Final answer
    x = 3,094.31

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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.