Home / 2,410.10-3,621.23-2,142.80

Finding the Fourth Proportional to 2,410.10, 3,621.23 and 2,142.80

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Solution

The fourth proportional to 2,410.10, 3,621.23 and 2,142.80 is: 3,219.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,410.10 : 3,621.23 = 2,142.80 : x
  2. Step 2: Convert to fraction form
    2,410.10/3,621.23 = 2,142.80/x
  3. Step 3: Cross multiply
    2,410.10x = 3,621.23 × 2,142.80
  4. Step 4: Simplify right side
    2,410.10x = 7,759,571.64
  5. Step 5: Solve for x
    x = 7,759,571.64/2,410.10
  6. Step 6: Final answer
    x = 3,219.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.