Home / 1,774.68-2,449.60-1,028.82

Finding the Fourth Proportional to 1,774.68, 2,449.60 and 1,028.82

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Solution

The fourth proportional to 1,774.68, 2,449.60 and 1,028.82 is: 1,420.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,774.68 : 2,449.60 = 1,028.82 : x
  2. Step 2: Convert to fraction form
    1,774.68/2,449.60 = 1,028.82/x
  3. Step 3: Cross multiply
    1,774.68x = 2,449.60 × 1,028.82
  4. Step 4: Simplify right side
    1,774.68x = 2,520,197.47
  5. Step 5: Solve for x
    x = 2,520,197.47/1,774.68
  6. Step 6: Final answer
    x = 1,420.09

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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.