Home / 3,621.48-4,998.43-2,205.63

Finding the Fourth Proportional to 3,621.48, 4,998.43 and 2,205.63

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Solution

The fourth proportional to 3,621.48, 4,998.43 and 2,205.63 is: 3,044.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,621.48 : 4,998.43 = 2,205.63 : x
  2. Step 2: Convert to fraction form
    3,621.48/4,998.43 = 2,205.63/x
  3. Step 3: Cross multiply
    3,621.48x = 4,998.43 × 2,205.63
  4. Step 4: Simplify right side
    3,621.48x = 11,024,687.16
  5. Step 5: Solve for x
    x = 11,024,687.16/3,621.48
  6. Step 6: Final answer
    x = 3,044.25

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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.