Home / 2,469.47-3,405.90-2,097.68

Finding the Fourth Proportional to 2,469.47, 3,405.90 and 2,097.68

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Solution

The fourth proportional to 2,469.47, 3,405.90 and 2,097.68 is: 2,893.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,469.47 : 3,405.90 = 2,097.68 : x
  2. Step 2: Convert to fraction form
    2,469.47/3,405.90 = 2,097.68/x
  3. Step 3: Cross multiply
    2,469.47x = 3,405.90 × 2,097.68
  4. Step 4: Simplify right side
    2,469.47x = 7,144,504.69
  5. Step 5: Solve for x
    x = 7,144,504.69/2,469.47
  6. Step 6: Final answer
    x = 2,893.13

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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.