Home / 3,165.38-4,746.26-1,519.70

Finding the Fourth Proportional to 3,165.38, 4,746.26 and 1,519.70

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Solution

The fourth proportional to 3,165.38, 4,746.26 and 1,519.70 is: 2,278.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,165.38 : 4,746.26 = 1,519.70 : x
  2. Step 2: Convert to fraction form
    3,165.38/4,746.26 = 1,519.70/x
  3. Step 3: Cross multiply
    3,165.38x = 4,746.26 × 1,519.70
  4. Step 4: Simplify right side
    3,165.38x = 7,212,891.32
  5. Step 5: Solve for x
    x = 7,212,891.32/3,165.38
  6. Step 6: Final answer
    x = 2,278.68

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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.