Home / 2,313.04-3,469.56-2,138.08

Finding the Fourth Proportional to 2,313.04, 3,469.56 and 2,138.08

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Solution

The fourth proportional to 2,313.04, 3,469.56 and 2,138.08 is: 3,207.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,313.04 : 3,469.56 = 2,138.08 : x
  2. Step 2: Convert to fraction form
    2,313.04/3,469.56 = 2,138.08/x
  3. Step 3: Cross multiply
    2,313.04x = 3,469.56 × 2,138.08
  4. Step 4: Simplify right side
    2,313.04x = 7,418,196.84
  5. Step 5: Solve for x
    x = 7,418,196.84/2,313.04
  6. Step 6: Final answer
    x = 3,207.12

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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.