Home / 3,616.40-4,991.01-2,200.19

Finding the Fourth Proportional to 3,616.40, 4,991.01 and 2,200.19

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Solution

The fourth proportional to 3,616.40, 4,991.01 and 2,200.19 is: 3,036.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,616.40 : 4,991.01 = 2,200.19 : x
  2. Step 2: Convert to fraction form
    3,616.40/4,991.01 = 2,200.19/x
  3. Step 3: Cross multiply
    3,616.40x = 4,991.01 × 2,200.19
  4. Step 4: Simplify right side
    3,616.40x = 10,981,165.16
  5. Step 5: Solve for x
    x = 10,981,165.16/3,616.40
  6. Step 6: Final answer
    x = 3,036.49

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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.