Home / 2,209.13-3,048.41-1,325.42

Finding the Fourth Proportional to 2,209.13, 3,048.41 and 1,325.42

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Solution

The fourth proportional to 2,209.13, 3,048.41 and 1,325.42 is: 1,828.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,209.13 : 3,048.41 = 1,325.42 : x
  2. Step 2: Convert to fraction form
    2,209.13/3,048.41 = 1,325.42/x
  3. Step 3: Cross multiply
    2,209.13x = 3,048.41 × 1,325.42
  4. Step 4: Simplify right side
    2,209.13x = 4,040,416.96
  5. Step 5: Solve for x
    x = 4,040,416.96/2,209.13
  6. Step 6: Final answer
    x = 1,828.96

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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.