Home / 3,428.72-4,731.88-2,587.94

Finding the Fourth Proportional to 3,428.72, 4,731.88 and 2,587.94

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Solution

The fourth proportional to 3,428.72, 4,731.88 and 2,587.94 is: 3,571.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,428.72 : 4,731.88 = 2,587.94 : x
  2. Step 2: Convert to fraction form
    3,428.72/4,731.88 = 2,587.94/x
  3. Step 3: Cross multiply
    3,428.72x = 4,731.88 × 2,587.94
  4. Step 4: Simplify right side
    3,428.72x = 12,245,821.53
  5. Step 5: Solve for x
    x = 12,245,821.53/3,428.72
  6. Step 6: Final answer
    x = 3,571.54

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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.