Home / 2,167.23-3,245.19-1,424.51

Finding the Fourth Proportional to 2,167.23, 3,245.19 and 1,424.51

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Solution

The fourth proportional to 2,167.23, 3,245.19 and 1,424.51 is: 2,133.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,167.23 : 3,245.19 = 1,424.51 : x
  2. Step 2: Convert to fraction form
    2,167.23/3,245.19 = 1,424.51/x
  3. Step 3: Cross multiply
    2,167.23x = 3,245.19 × 1,424.51
  4. Step 4: Simplify right side
    2,167.23x = 4,622,789.38
  5. Step 5: Solve for x
    x = 4,622,789.38/2,167.23
  6. Step 6: Final answer
    x = 2,133.04

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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.