Home / 2,082.24-3,128.22-1,217.16

Finding the Fourth Proportional to 2,082.24, 3,128.22 and 1,217.16

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Solution

The fourth proportional to 2,082.24, 3,128.22 and 1,217.16 is: 1,828.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,082.24 : 3,128.22 = 1,217.16 : x
  2. Step 2: Convert to fraction form
    2,082.24/3,128.22 = 1,217.16/x
  3. Step 3: Cross multiply
    2,082.24x = 3,128.22 × 1,217.16
  4. Step 4: Simplify right side
    2,082.24x = 3,807,544.26
  5. Step 5: Solve for x
    x = 3,807,544.26/2,082.24
  6. Step 6: Final answer
    x = 1,828.58

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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.