Home / 1,945.26-2,914-1,327.44

Finding the Fourth Proportional to 1,945.26, 2,914 and 1,327.44

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Solution

The fourth proportional to 1,945.26, 2,914 and 1,327.44 is: 1,988.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,945.26 : 2,914 = 1,327.44 : x
  2. Step 2: Convert to fraction form
    1,945.26/2,914 = 1,327.44/x
  3. Step 3: Cross multiply
    1,945.26x = 2,914 × 1,327.44
  4. Step 4: Simplify right side
    1,945.26x = 3,868,160.16
  5. Step 5: Solve for x
    x = 3,868,160.16/1,945.26
  6. Step 6: Final answer
    x = 1,988.51

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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.