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Finding the Fourth Proportional to 3,621.22, 4,992.50 and 2,612.08

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Solution

The fourth proportional to 3,621.22, 4,992.50 and 2,612.08 is: 3,601.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,621.22 : 4,992.50 = 2,612.08 : x
  2. Step 2: Convert to fraction form
    3,621.22/4,992.50 = 2,612.08/x
  3. Step 3: Cross multiply
    3,621.22x = 4,992.50 × 2,612.08
  4. Step 4: Simplify right side
    3,621.22x = 13,040,822.17
  5. Step 5: Solve for x
    x = 13,040,822.17/3,621.22
  6. Step 6: Final answer
    x = 3,601.22

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1.5x scale

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.