Home / 3,212.54-4,818.78-2,567.38

Finding the Fourth Proportional to 3,212.54, 4,818.78 and 2,567.38

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Solution

The fourth proportional to 3,212.54, 4,818.78 and 2,567.38 is: 3,851.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,212.54 : 4,818.78 = 2,567.38 : x
  2. Step 2: Convert to fraction form
    3,212.54/4,818.78 = 2,567.38/x
  3. Step 3: Cross multiply
    3,212.54x = 4,818.78 × 2,567.38
  4. Step 4: Simplify right side
    3,212.54x = 12,371,639.40
  5. Step 5: Solve for x
    x = 12,371,639.40/3,212.54
  6. Step 6: Final answer
    x = 3,851.05

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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.