Home / 2,153.00-3,227.75-1,329.53

Finding the Fourth Proportional to 2,153.00, 3,227.75 and 1,329.53

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Solution

The fourth proportional to 2,153.00, 3,227.75 and 1,329.53 is: 1,993.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,153.00 : 3,227.75 = 1,329.53 : x
  2. Step 2: Convert to fraction form
    2,153.00/3,227.75 = 1,329.53/x
  3. Step 3: Cross multiply
    2,153.00x = 3,227.75 × 1,329.53
  4. Step 4: Simplify right side
    2,153.00x = 4,291,390.81
  5. Step 5: Solve for x
    x = 4,291,390.81/2,153.00
  6. Step 6: Final answer
    x = 1,993.22

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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.