Home / 4,212.78-5,813.81-2,534.09

Finding the Fourth Proportional to 4,212.78, 5,813.81 and 2,534.09

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Solution

The fourth proportional to 4,212.78, 5,813.81 and 2,534.09 is: 3,497.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,212.78 : 5,813.81 = 2,534.09 : x
  2. Step 2: Convert to fraction form
    4,212.78/5,813.81 = 2,534.09/x
  3. Step 3: Cross multiply
    4,212.78x = 5,813.81 × 2,534.09
  4. Step 4: Simplify right side
    4,212.78x = 14,732,685.55
  5. Step 5: Solve for x
    x = 14,732,685.55/4,212.78
  6. Step 6: Final answer
    x = 3,497.14

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1.5x scale

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.