Home / 2,814.99-4,222.08-1,645.53

Finding the Fourth Proportional to 2,814.99, 4,222.08 and 1,645.53

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Solution

The fourth proportional to 2,814.99, 4,222.08 and 1,645.53 is: 2,468.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,814.99 : 4,222.08 = 1,645.53 : x
  2. Step 2: Convert to fraction form
    2,814.99/4,222.08 = 1,645.53/x
  3. Step 3: Cross multiply
    2,814.99x = 4,222.08 × 1,645.53
  4. Step 4: Simplify right side
    2,814.99x = 6,947,559.30
  5. Step 5: Solve for x
    x = 6,947,559.30/2,814.99
  6. Step 6: Final answer
    x = 2,468.06

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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.