Home / 2,548.31-3,818.52-2,156.49

Finding the Fourth Proportional to 2,548.31, 3,818.52 and 2,156.49

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Solution

The fourth proportional to 2,548.31, 3,818.52 and 2,156.49 is: 3,231.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,548.31 : 3,818.52 = 2,156.49 : x
  2. Step 2: Convert to fraction form
    2,548.31/3,818.52 = 2,156.49/x
  3. Step 3: Cross multiply
    2,548.31x = 3,818.52 × 2,156.49
  4. Step 4: Simplify right side
    2,548.31x = 8,234,600.19
  5. Step 5: Solve for x
    x = 8,234,600.19/2,548.31
  6. Step 6: Final answer
    x = 3,231.40

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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.