Home / 1,481.94-2,223.35-1,251.39

Finding the Fourth Proportional to 1,481.94, 2,223.35 and 1,251.39

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Solution

The fourth proportional to 1,481.94, 2,223.35 and 1,251.39 is: 1,877.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,481.94 : 2,223.35 = 1,251.39 : x
  2. Step 2: Convert to fraction form
    1,481.94/2,223.35 = 1,251.39/x
  3. Step 3: Cross multiply
    1,481.94x = 2,223.35 × 1,251.39
  4. Step 4: Simplify right side
    1,481.94x = 2,782,271.70
  5. Step 5: Solve for x
    x = 2,782,271.70/1,481.94
  6. Step 6: Final answer
    x = 1,877.45

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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.