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Finding the Fourth Proportional to 3,008.55, 4,514.55 and 1,621.88

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Solution

The fourth proportional to 3,008.55, 4,514.55 and 1,621.88 is: 2,433.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,008.55 : 4,514.55 = 1,621.88 : x
  2. Step 2: Convert to fraction form
    3,008.55/4,514.55 = 1,621.88/x
  3. Step 3: Cross multiply
    3,008.55x = 4,514.55 × 1,621.88
  4. Step 4: Simplify right side
    3,008.55x = 7,322,058.35
  5. Step 5: Solve for x
    x = 7,322,058.35/3,008.55
  6. Step 6: Final answer
    x = 2,433.75

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1.5x scale

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.