Home / 2,816.06-4,224.10-1,661

Finding the Fourth Proportional to 2,816.06, 4,224.10 and 1,661

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Solution

The fourth proportional to 2,816.06, 4,224.10 and 1,661 is: 2,491.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,816.06 : 4,224.10 = 1,661 : x
  2. Step 2: Convert to fraction form
    2,816.06/4,224.10 = 1,661/x
  3. Step 3: Cross multiply
    2,816.06x = 4,224.10 × 1,661
  4. Step 4: Simplify right side
    2,816.06x = 7,016,230.10
  5. Step 5: Solve for x
    x = 7,016,230.10/2,816.06
  6. Step 6: Final answer
    x = 2,491.51

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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.