Home / 1,679.59-2,519.45-1,028.95

Finding the Fourth Proportional to 1,679.59, 2,519.45 and 1,028.95

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Solution

The fourth proportional to 1,679.59, 2,519.45 and 1,028.95 is: 1,543.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,679.59 : 2,519.45 = 1,028.95 : x
  2. Step 2: Convert to fraction form
    1,679.59/2,519.45 = 1,028.95/x
  3. Step 3: Cross multiply
    1,679.59x = 2,519.45 × 1,028.95
  4. Step 4: Simplify right side
    1,679.59x = 2,592,400.45
  5. Step 5: Solve for x
    x = 2,592,400.45/1,679.59
  6. Step 6: Final answer
    x = 1,543.48

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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.