Home / 3,616.74-4,989.83-2,199.98

Finding the Fourth Proportional to 3,616.74, 4,989.83 and 2,199.98

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Solution

The fourth proportional to 3,616.74, 4,989.83 and 2,199.98 is: 3,035.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,616.74 : 4,989.83 = 2,199.98 : x
  2. Step 2: Convert to fraction form
    3,616.74/4,989.83 = 2,199.98/x
  3. Step 3: Cross multiply
    3,616.74x = 4,989.83 × 2,199.98
  4. Step 4: Simplify right side
    3,616.74x = 10,977,490.25
  5. Step 5: Solve for x
    x = 10,977,490.25/3,616.74
  6. Step 6: Final answer
    x = 3,035.19

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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.