Home / 1,950.09-2,922.53-1,427.64

Finding the Fourth Proportional to 1,950.09, 2,922.53 and 1,427.64

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Solution

The fourth proportional to 1,950.09, 2,922.53 and 1,427.64 is: 2,139.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,950.09 : 2,922.53 = 1,427.64 : x
  2. Step 2: Convert to fraction form
    1,950.09/2,922.53 = 1,427.64/x
  3. Step 3: Cross multiply
    1,950.09x = 2,922.53 × 1,427.64
  4. Step 4: Simplify right side
    1,950.09x = 4,172,313.59
  5. Step 5: Solve for x
    x = 4,172,313.59/1,950.09
  6. Step 6: Final answer
    x = 2,139.55

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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.