Home / 2,688.42-3,709.97-1,493.41

Finding the Fourth Proportional to 2,688.42, 3,709.97 and 1,493.41

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Solution

The fourth proportional to 2,688.42, 3,709.97 and 1,493.41 is: 2,060.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,688.42 : 3,709.97 = 1,493.41 : x
  2. Step 2: Convert to fraction form
    2,688.42/3,709.97 = 1,493.41/x
  3. Step 3: Cross multiply
    2,688.42x = 3,709.97 × 1,493.41
  4. Step 4: Simplify right side
    2,688.42x = 5,540,502.11
  5. Step 5: Solve for x
    x = 5,540,502.11/2,688.42
  6. Step 6: Final answer
    x = 2,060.88

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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.