Home / 2,251.26-3,106.64-1,256.49

Finding the Fourth Proportional to 2,251.26, 3,106.64 and 1,256.49

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Solution

The fourth proportional to 2,251.26, 3,106.64 and 1,256.49 is: 1,733.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,251.26 : 3,106.64 = 1,256.49 : x
  2. Step 2: Convert to fraction form
    2,251.26/3,106.64 = 1,256.49/x
  3. Step 3: Cross multiply
    2,251.26x = 3,106.64 × 1,256.49
  4. Step 4: Simplify right side
    2,251.26x = 3,903,455.81
  5. Step 5: Solve for x
    x = 3,903,455.81/2,251.26
  6. Step 6: Final answer
    x = 1,733.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.