Home / 2,672.62-3,688.44-1,493.80

Finding the Fourth Proportional to 2,672.62, 3,688.44 and 1,493.80

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Solution

The fourth proportional to 2,672.62, 3,688.44 and 1,493.80 is: 2,061.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,672.62 : 3,688.44 = 1,493.80 : x
  2. Step 2: Convert to fraction form
    2,672.62/3,688.44 = 1,493.80/x
  3. Step 3: Cross multiply
    2,672.62x = 3,688.44 × 1,493.80
  4. Step 4: Simplify right side
    2,672.62x = 5,509,791.67
  5. Step 5: Solve for x
    x = 5,509,791.67/2,672.62
  6. Step 6: Final answer
    x = 2,061.57

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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.