Home / 1,768.06-2,439.35-1,263.49

Finding the Fourth Proportional to 1,768.06, 2,439.35 and 1,263.49

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Solution

The fourth proportional to 1,768.06, 2,439.35 and 1,263.49 is: 1,743.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,768.06 : 2,439.35 = 1,263.49 : x
  2. Step 2: Convert to fraction form
    1,768.06/2,439.35 = 1,263.49/x
  3. Step 3: Cross multiply
    1,768.06x = 2,439.35 × 1,263.49
  4. Step 4: Simplify right side
    1,768.06x = 3,082,081.92
  5. Step 5: Solve for x
    x = 3,082,081.92/1,768.06
  6. Step 6: Final answer
    x = 1,743.20

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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.