Home / 2,217.56-3,060.32-1,367

Finding the Fourth Proportional to 2,217.56, 3,060.32 and 1,367

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Solution

The fourth proportional to 2,217.56, 3,060.32 and 1,367 is: 1,886.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,217.56 : 3,060.32 = 1,367 : x
  2. Step 2: Convert to fraction form
    2,217.56/3,060.32 = 1,367/x
  3. Step 3: Cross multiply
    2,217.56x = 3,060.32 × 1,367
  4. Step 4: Simplify right side
    2,217.56x = 4,183,457.44
  5. Step 5: Solve for x
    x = 4,183,457.44/2,217.56
  6. Step 6: Final answer
    x = 1,886.51

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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.