Home / 3,616.08-4,990.76-2,200.21

Finding the Fourth Proportional to 3,616.08, 4,990.76 and 2,200.21

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Solution

The fourth proportional to 3,616.08, 4,990.76 and 2,200.21 is: 3,036.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,616.08 : 4,990.76 = 2,200.21 : x
  2. Step 2: Convert to fraction form
    3,616.08/4,990.76 = 2,200.21/x
  3. Step 3: Cross multiply
    3,616.08x = 4,990.76 × 2,200.21
  4. Step 4: Simplify right side
    3,616.08x = 10,980,720.06
  5. Step 5: Solve for x
    x = 10,980,720.06/3,616.08
  6. Step 6: Final answer
    x = 3,036.64

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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.