Home / 1,667.09-2,500.43-1,297.27

Finding the Fourth Proportional to 1,667.09, 2,500.43 and 1,297.27

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Solution

The fourth proportional to 1,667.09, 2,500.43 and 1,297.27 is: 1,945.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,667.09 : 2,500.43 = 1,297.27 : x
  2. Step 2: Convert to fraction form
    1,667.09/2,500.43 = 1,297.27/x
  3. Step 3: Cross multiply
    1,667.09x = 2,500.43 × 1,297.27
  4. Step 4: Simplify right side
    1,667.09x = 3,243,719.05
  5. Step 5: Solve for x
    x = 3,243,719.05/1,667.09
  6. Step 6: Final answer
    x = 1,945.74

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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.