Home / 3,621.61-4,998.01-2,028.16

Finding the Fourth Proportional to 3,621.61, 4,998.01 and 2,028.16

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Solution

The fourth proportional to 3,621.61, 4,998.01 and 2,028.16 is: 2,798.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,621.61 : 4,998.01 = 2,028.16 : x
  2. Step 2: Convert to fraction form
    3,621.61/4,998.01 = 2,028.16/x
  3. Step 3: Cross multiply
    3,621.61x = 4,998.01 × 2,028.16
  4. Step 4: Simplify right side
    3,621.61x = 10,136,763.96
  5. Step 5: Solve for x
    x = 10,136,763.96/3,621.61
  6. Step 6: Final answer
    x = 2,798.97

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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.