Home / 3,454.74-5,178.89-1,262.97

Finding the Fourth Proportional to 3,454.74, 5,178.89 and 1,262.97

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Solution

The fourth proportional to 3,454.74, 5,178.89 and 1,262.97 is: 1,893.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,454.74 : 5,178.89 = 1,262.97 : x
  2. Step 2: Convert to fraction form
    3,454.74/5,178.89 = 1,262.97/x
  3. Step 3: Cross multiply
    3,454.74x = 5,178.89 × 1,262.97
  4. Step 4: Simplify right side
    3,454.74x = 6,540,776.39
  5. Step 5: Solve for x
    x = 6,540,776.39/3,454.74
  6. Step 6: Final answer
    x = 1,893.28

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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.