Home / 3,519.68-5,278.26-1,054.04

Finding the Fourth Proportional to 3,519.68, 5,278.26 and 1,054.04

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Solution

The fourth proportional to 3,519.68, 5,278.26 and 1,054.04 is: 1,580.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,519.68 : 5,278.26 = 1,054.04 : x
  2. Step 2: Convert to fraction form
    3,519.68/5,278.26 = 1,054.04/x
  3. Step 3: Cross multiply
    3,519.68x = 5,278.26 × 1,054.04
  4. Step 4: Simplify right side
    3,519.68x = 5,563,497.17
  5. Step 5: Solve for x
    x = 5,563,497.17/3,519.68
  6. Step 6: Final answer
    x = 1,580.68

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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.