Home / 3,628.08-5,442.53-1,519.29

Finding the Fourth Proportional to 3,628.08, 5,442.53 and 1,519.29

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Solution

The fourth proportional to 3,628.08, 5,442.53 and 1,519.29 is: 2,279.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,628.08 : 5,442.53 = 1,519.29 : x
  2. Step 2: Convert to fraction form
    3,628.08/5,442.53 = 1,519.29/x
  3. Step 3: Cross multiply
    3,628.08x = 5,442.53 × 1,519.29
  4. Step 4: Simplify right side
    3,628.08x = 8,268,773.81
  5. Step 5: Solve for x
    x = 8,268,773.81/3,628.08
  6. Step 6: Final answer
    x = 2,279.10

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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.