Home / 2,548.32-3,806-2,178.96

Finding the Fourth Proportional to 2,548.32, 3,806 and 2,178.96

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Solution

The fourth proportional to 2,548.32, 3,806 and 2,178.96 is: 3,254.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,548.32 : 3,806 = 2,178.96 : x
  2. Step 2: Convert to fraction form
    2,548.32/3,806 = 2,178.96/x
  3. Step 3: Cross multiply
    2,548.32x = 3,806 × 2,178.96
  4. Step 4: Simplify right side
    2,548.32x = 8,293,121.76
  5. Step 5: Solve for x
    x = 8,293,121.76/2,548.32
  6. Step 6: Final answer
    x = 3,254.35

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.