Home / 2,251.07-3,106.55-1,256.54

Finding the Fourth Proportional to 2,251.07, 3,106.55 and 1,256.54

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Solution

The fourth proportional to 2,251.07, 3,106.55 and 1,256.54 is: 1,734.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,251.07 : 3,106.55 = 1,256.54 : x
  2. Step 2: Convert to fraction form
    2,251.07/3,106.55 = 1,256.54/x
  3. Step 3: Cross multiply
    2,251.07x = 3,106.55 × 1,256.54
  4. Step 4: Simplify right side
    2,251.07x = 3,903,491.95
  5. Step 5: Solve for x
    x = 3,903,491.95/2,251.07
  6. Step 6: Final answer
    x = 1,734.06

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1.5x scale

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.