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Finding the Fourth Proportional to 2,509.77, 3,464.20 and 1,514.88

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Solution

The fourth proportional to 2,509.77, 3,464.20 and 1,514.88 is: 2,090.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,509.77 : 3,464.20 = 1,514.88 : x
  2. Step 2: Convert to fraction form
    2,509.77/3,464.20 = 1,514.88/x
  3. Step 3: Cross multiply
    2,509.77x = 3,464.20 × 1,514.88
  4. Step 4: Simplify right side
    2,509.77x = 5,247,847.30
  5. Step 5: Solve for x
    x = 5,247,847.30/2,509.77
  6. Step 6: Final answer
    x = 2,090.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.