Home / 1,519.08-2,279.34-696.93

Finding the Fourth Proportional to 1,519.08, 2,279.34 and 696.93

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Solution

The fourth proportional to 1,519.08, 2,279.34 and 696.93 is: 1,045.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,519.08 : 2,279.34 = 696.93 : x
  2. Step 2: Convert to fraction form
    1,519.08/2,279.34 = 696.93/x
  3. Step 3: Cross multiply
    1,519.08x = 2,279.34 × 696.93
  4. Step 4: Simplify right side
    1,519.08x = 1,588,540.43
  5. Step 5: Solve for x
    x = 1,588,540.43/1,519.08
  6. Step 6: Final answer
    x = 1,045.73

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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.