Home / 2,684.56-4,027.80-1,223.76

Finding the Fourth Proportional to 2,684.56, 4,027.80 and 1,223.76

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Solution

The fourth proportional to 2,684.56, 4,027.80 and 1,223.76 is: 1,836.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,684.56 : 4,027.80 = 1,223.76 : x
  2. Step 2: Convert to fraction form
    2,684.56/4,027.80 = 1,223.76/x
  3. Step 3: Cross multiply
    2,684.56x = 4,027.80 × 1,223.76
  4. Step 4: Simplify right side
    2,684.56x = 4,929,060.53
  5. Step 5: Solve for x
    x = 4,929,060.53/2,684.56
  6. Step 6: Final answer
    x = 1,836.08

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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.