Home / 2,573.29-3,550.68-1,438.99

Finding the Fourth Proportional to 2,573.29, 3,550.68 and 1,438.99

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Solution

The fourth proportional to 2,573.29, 3,550.68 and 1,438.99 is: 1,985.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,573.29 : 3,550.68 = 1,438.99 : x
  2. Step 2: Convert to fraction form
    2,573.29/3,550.68 = 1,438.99/x
  3. Step 3: Cross multiply
    2,573.29x = 3,550.68 × 1,438.99
  4. Step 4: Simplify right side
    2,573.29x = 5,109,371.66
  5. Step 5: Solve for x
    x = 5,109,371.66/2,573.29
  6. Step 6: Final answer
    x = 1,985.54

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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.