Home / 1,274.73-1,913.46-1,071.54

Finding the Fourth Proportional to 1,274.73, 1,913.46 and 1,071.54

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Solution

The fourth proportional to 1,274.73, 1,913.46 and 1,071.54 is: 1,608.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,274.73 : 1,913.46 = 1,071.54 : x
  2. Step 2: Convert to fraction form
    1,274.73/1,913.46 = 1,071.54/x
  3. Step 3: Cross multiply
    1,274.73x = 1,913.46 × 1,071.54
  4. Step 4: Simplify right side
    1,274.73x = 2,050,348.93
  5. Step 5: Solve for x
    x = 2,050,348.93/1,274.73
  6. Step 6: Final answer
    x = 1,608.46

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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.