Home / 2,764.82-4,148.37-1,120.95

Finding the Fourth Proportional to 2,764.82, 4,148.37 and 1,120.95

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Solution

The fourth proportional to 2,764.82, 4,148.37 and 1,120.95 is: 1,681.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,764.82 : 4,148.37 = 1,120.95 : x
  2. Step 2: Convert to fraction form
    2,764.82/4,148.37 = 1,120.95/x
  3. Step 3: Cross multiply
    2,764.82x = 4,148.37 × 1,120.95
  4. Step 4: Simplify right side
    2,764.82x = 4,650,115.35
  5. Step 5: Solve for x
    x = 4,650,115.35/2,764.82
  6. Step 6: Final answer
    x = 1,681.89

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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.