Home / 2,151.67-3,227.79-1,056.07

Finding the Fourth Proportional to 2,151.67, 3,227.79 and 1,056.07

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Solution

The fourth proportional to 2,151.67, 3,227.79 and 1,056.07 is: 1,584.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,151.67 : 3,227.79 = 1,056.07 : x
  2. Step 2: Convert to fraction form
    2,151.67/3,227.79 = 1,056.07/x
  3. Step 3: Cross multiply
    2,151.67x = 3,227.79 × 1,056.07
  4. Step 4: Simplify right side
    2,151.67x = 3,408,772.19
  5. Step 5: Solve for x
    x = 3,408,772.19/2,151.67
  6. Step 6: Final answer
    x = 1,584.24

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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.